Explore topic-wise InterviewSolutions in Current Affairs.

ong>Answer:

microwaves

Explanation:

Microwaves (short-wavelength radio waves ranging from 0.1m to 1mm), with frequencies in the gigahertz (GHZ) range, are produced by special vacuum tubes (called klystrons, magnetrons and Gunn diodes). Due to their short wavelengths,they are suitable for the radar systems used in aircraft navigation. Radar also provides the basis for the speed guns used to time fast BALLS, tennis serves,and automobiles. Microwave OVENS are an interesting domestic APPLICATION of these waves. In such ovens, the frequency of the microwaves is selected to match the resonant frequency of water molecules so that energy from the waves is transferred efficiently to the kinetic energy of the molecules. This raises the temperature of any food CONTAINING water.

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ong>Answer:

Equilibrium

a state of rest or balance due to the equal ACTION of opposing forces. equal balance between any powers, INFLUENCES, etc.; equality of EFFECT. mental or emotional balance; equanimity: The pressures of the situation CAUSED her to lose her equilibrium.

Explanation:

Translational equilibrium

An object is in translational equilibrium when the sum of all the external forces acting on the object equals zero. This also means an object is in translational equilibrium when it is experiencing zero OVERALL acceleration. Therefore, it is either not moving or moving at a constant velocity.

Rotational equilibrium

An object is in rotational equilibrium if the velocity of its rotation is constant. An object that is not rotating or an object that is rotating in one direction a constant rate would be considered in rotational equilibrium. To be in rotational equilibrium, the net torque acting on the object must be zero.

Static equilibrium

An object is in static equilibrium if and only if: The sum of the forces on it in each direction is zero. The sum of the torques on it in each direction is zero

ong>Answer:

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In steady-state, there is no absorption of HEAT at any position. Heat passes on or is radiated from its surface. Therefore, in steady-state the temperature of the body does not change with time but can be different at different POINTS of the body.

Explanation:

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an intensely radioactive metallic chemical element that OCCURS in combination in MINUTE quantities in minerals (such as pitchblende or carnotite), emits alpha particles and gamma RAYS to form radon, and is used chiefly in the treatment of cancer and in radiographic DEVICES — see Chemical Elements Table.

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ong>Explanation:

3. Assertion (A): Testosterone is the HORMONE secreted by the testes.

Reason (R): Testosterone is RESPONSIBLE for the production of sperms.

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in..st..a

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ong>Answer:

Thunderstorm, a violent short-lived weather disturbance that is almost always associated with LIGHTNING, thunder, DENSE clouds, HEAVY rain or hail, and strong gusty winds. ... THUNDERSTORMS arise when layers of warm, moist air rise in a large, swift UPDRAFT to cooler regions of the atmosphere.

unit of energy/work is the joule (J), named for English PHYSICIST James Prescott Joule (1818 - 1889). ... One joule equals the work DONE by a force of one newton moving an object one meter (J = N · m). That's about the amount of energy required to LIFT a small APPLE one meter against Earth's gravity.

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I THINK it's copper

but I'm not sure

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Explanation:

joddy

ong>Answer:

SORRY bro but I can't SEE this that I don't know

ong>Explanation:

Potential difference is defined as the work done to move a unit charge from one point to the other. The SI unit of potential difference is volt. Electromotive force is defined as the force that distributes the equilibrium of free-flowing electrons. Below is an experiment to study the dependence of the potential difference across a resistor with current-carrying I.

Aim

To study the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also, plot a graph between V and I.

Theory

What is Ohm’s law?

In an electric circuit, the potential difference V across the metallic wire is directly PROPORTIONAL to the current flowing through the circuit with a constant temperature. This is known as Ohm’s law.

V∝I. ∴ V=IR.

What are the factors affecting resistance?

Following are the factors affecting resistance:

The nature of the resistor.

With an increase in length, the resistance also increases. So length also affects the resistance.

With an increase in the cross-sectional area, the resistance decreases. So cross-sectional area of the wire affects the resistance.

Materials Required

Following is the list of materials required for this experiment:

A battery

An insulated copper wire

A key

An ammeter

A voltmeter

A rheostat

A resistor

A piece of sandpaper

Procedure

Arrange the devices as shown in the circuit diagram.

Connect the devices with the connecting wires keeping the key open.

The positive terminal of the battery should be connected to the positive terminal of the ammeter.

Before connecting the voltmeter in the circuit, check for +ve and -ve terminals.

Check for ammeter and voltmeter reading once the circuit is connected and also adjust the slider of rheostat after inserting the key.

For current I and voltmeter V, RECORD three DIFFERENT readings using a slider.

Record the observations in the observation table.

Using the formula R=V/I, calculate the resistance.

To plot the graph between V and I, take V on the x-axis and I on the y-axis.

For pure METALS, resistance increases with an increase in temperature.

Observation Table

i) Least count of ammeter and voltmeter

Sl.no Ammeter (A) Voltmeter (V)

1 Range 0-0.5 A 0-0.1 V

2 Least count 0.01 A 0.01 V

3 Zero error (e) 0 0

4 Zero correction 0 0

ii) For the reading of ammeter and voltmeter

Sl.no Current in Ampere (I)

(ammeter reading)

Potential difference in volts (V)

(voltmeter reading)

Resistance in ohms

R = V/I (Ω)

Observed Corrected Observed Corrected

1 0 0.02 0 0.04 R1= 2Ω

2 0 0.03 0 0.06 R2= 2Ω

3 0 0.04 0 0.08 R3= 2ΩSwipe left

Graph

graph between current and voltage

Conclusions

For all the three readings, the R-value is the same and constant.

The ratio of potential difference V and current I is the resistance of a resistor.

With the help of the graph between V and I, Ohm’s law is verified as the plot is a straight line.

Precautions

Thick copper wires are used as connecting wires and using sandpaper, their insulation is removed.

To avoid external resistance, the connections should be tight.

The connections should be as per the circuit diagram and should be approved by the teacher before conducting the experiment.

The current should enter from the positive terminal and exit from the negative terminal of the ammeter and should be connected in series with the resistor.

Resistor and voltmeter should be connected in parallel.

The least count of ammeter and voltmeter should be recorded properly.

When there is no current flow, the pointers of ammeter and voltmeter should be at zero.

To avoid unnecessary HEATING in the circuit, the current should be passed for a short time.

I am THINKING DC will be the answer

ong>Answer:

TERMINALS of ammeter are WRONGLY connected

The ammeter here would be used to measure the current PASSING through the wire with the resistances in SERIES. HOWEVER the terminals of ammeter are wrongly connected. The positive terminal of ammeter must be connected to the positive terminal of the battery, and negative with the negative.

19.अधोलिखितानि वाक्यानि घटनाक्रमानुसारं पुनः लिखत- [/2x8=4] ]

i.एकदा एकः तन्दालुः बालः आसीत्।

ii.सः बालः विनितमनोरथः चिन्तितवान् -कथं अस्मिन् जगति प्रत्येकं जनाः स्व-

स्वकार्येषु निमग्नाः सन्ति।

ii.हे मनुष्याणां मित्र कुक्कुर! अस्मिन् निदाघे तरुमूले मया सह खेलिष्यसि।

iv.सः अगायत्- वयं हि मधुरसंग्रहे व्यग्राः स्मः इति।

v.सः पुष्पोधानं व्रजन्तं मधुकरं दृष्ट्वा तं क्रीडाहेतोः आह्वयत्।

vi.अयि चटकपोत! मानुषस्य मम मित्रं भविष्यसि किम्?

vii.ततः प्रभृति सः विद्याभ्यासं कृत्वा वैदुषी प्रथां सम्पत्तिं च अलभत्।

viii.मम स्वामी पुत्रप्रीत्या मां पोषयति अतः अहं तस्य सेवायाः भ्रष्टा न भविष्यामि।

ong>Answer:

Explanation:

A Wheatstone BRIDGE CIRCUIT consists of four arms of which two arms consists of known resistances while the other two arms CONSIST of an UNKNOWN resistance and a variable resistance. The circuit also consists of a galvanometer and an electromotive force source. The emf source is attached between points a and b while the galvanometer is connected between the points c and d. The current that flows through the galvanometer depends on the POTENTIAL difference

ong>Answer:

I FEEL like a GOOD person to be with the PEOPLE I CARE

ong>ANSWER:

I FEEL like a good PERSON to be with the people I CARE

ong>Answer:

A bakery BAKES l000 LOVES of BREAD in 5 hours.

It his rate how MANY beaues of bread can it bake PER hour

Rate egg

EXPLANATION:

i am SINGLE

in this BOND two atoms SHARE ELECTRONS.

HII,

EXPLANATION:

# XxLovingBoyxX ❤️

a state of rest or balance due to the equal action of opposing forces. equal balance between any powers, influences, etc.; equality of effect. mental or emotional balance; equanimity: The pressures of the situation caused her to lose her equilibrium.

An OBJECT is in translational equilibrium when the sum of all the EXTERNAL forces acting on the object EQUALS zero. This also MEANS an object is in translational equilibrium when it is experiencing zero overall acceleration. Therefore, it is either not moving or moving at a constant velocity.

ong>Answer:

Solder the white (power positive) wires to the DPDT switch.

Connect the white wire (positive power) to the DPDT switch as SHOWN above. ...

Connect the black wire (NEGATIVE power) to the DPDT switch as shown above. ...

Connect the YELLOW and blue wires from the motor to the center terminals of the DPDT switch as shown above.

∆H=∆U+W

W=∆H-∆U

W=100-30

W=70 JOULES

ong>Answer:

Explanation:

It is laid in a single COURSE or in a multiple layers on a PREVIOUSLY prepared base. Thickness of the single layer shall be 50 mm to 100 mm. 2.3 Since the bituminous macadam is an open-graded mixture there is a potential that it may trap water or moisture vapour within the pavement system.

ong>Explanation:

GIVEN :-

• Initial Velocity u = 0
• Final Velocity v= 18 km/hr = 5 m/s
• Time t = 5 min = 300 sec
• Distance S = ?
• Acceleration a = ?

Using First equation of MOTION

• v = u + at
• 5 = 0 + a × 300
• a = 5 / 300 = 0.016 m/s²

Using Second equation of motion

• S = UT + 1/2 at²
• S = 0 × 300 + 1/2 × 0.016 × (300)²
• S = 1/2 × 0.016 × 300 × 300
• S = 750 m

Fe3+ is more paramagnetic because VALENCY is HIGH

ong>EXPLANATION:

MR²/2

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Lenz's law is a consequence of CONSERVATION of energy APPLIED to electromagnetic induction. It was formulated by Heinrich Lenz in 1833. While Faraday's law tells US the magnitude of the EMF produced, Lenz's law tells us the direction that CURRENT will flow.

According to Newton's THIRD law, action and reaction are equal and opposite, HENCE the weight COMPONENT exerted on the SURFACE is equal to the normal reaction exerted by the surface. Hence, Ninc=√3W2 where Ninc signify normal reaction by the INCLINE plane.

ong>Answer:

An ELASTIC collision is a collision in which there is no NET LOSS in kinetic energy in the SYSTEM as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions.

Suppose two similar trolleys are traveling toward each other with equal speed. They collide, bouncing off each other with no loss in speed. This collision is perfectly elastic because no energy has been lost.

ong>ANSWER:

option c is CORRECT answer

STATIC FRICTION is the answer to your QUESTIONS

ong>Answer:

see EXPLANATION for that

Explanation:

it's so simple bruh

first MULTIPLY 6.4 ×106 ÷6×1024 then divide the RESULT by 69420 and then multiply the result by 776677638 which GIVES the answer AROUND 77788832300474 and then multiply this with 6666622339 - 446-677-6+5÷5-5×5 then u got ur answer as 69

hence proved that

detergent doesn't clean the clothes your mother does hope it helps you

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Explanation:

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the DIFFERENCE between RESISTANCE and RESISTIVITY

DIN hahajbshsbbwbabahbzbshjsbjsnwsksm

ong>Answer:

1:5

Explanation:

MOMENTUM = mv

Momentum of A = 2v

Momentum of B = 10v

RATIO of Momentum = 2v / 10v

= 2/10 = 1/5

Therefore ratio = 1:5

Which of the following

Where are the OPTIONS?

Give options

he universe did begin with a rapid expansion, per the Big Bang theory, then life as we know it sprung from nonliving MATTER. ... It proposes that in Earth's prebiotic history, SIMPLE organic matter was exposed to energy in the FORM of VOLCANOES and electrical storms.

I don't KNOW!!!!!!!!!!!!!!!!!!!!!!!!

Your answer is here:-

Explanation:

The angle at which the ray of LIGHT strikes the PLANE or object to the NORMAL is called the angle of incidence.

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Molar mass of H2O=2+16=18g/mol.♥️

Explanation:

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According to Lenz's law, the MOTION of the COIL is opposed when the induced current is applied in the same direction. To produce the current force is exerted by the MAGNET in the loop. To oppose the change a force must be exerted by the current on the magnet.

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