Explore topic-wise InterviewSolutions in Current Affairs.

ANSWER:

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EXPLANATION:

SINCE the resistors are in a series ,

total RESISTENCE = 3+5+2= 10 ohm

current = V/R

current =1.5/10

current = 0.15 A

ANSWER:

water

Explanation:

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ELECTROMAGNETISM is a branch of physics involving the study of the electromagnetic FORCE, a type of physical INTERACTION that occurs between electrically charged particles

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ANSWER:

Brewster's law, relationship for light waves stating that the maximum polarization (vibration in one plane only) of a RAY of light MAY be achieved by letting the ray fall on a surface of a transparent medium in such a WAY that the refracted ray MAKES an angle of 90° with the reflected ray.

Answer:

Explanation:Resistance of a metallic CONDUCTOR directly DEPEND UPON straight length of the wire say L. Inversely proportional to area of cross section 1/A. Nature of the metal used. So, Resistance R=Ρx L/A.

Explanation:

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The CODATA RECOMMENDED value is −e/me = −1.75882001076(53)×1011 C⋅kg−1. CODATA refers to this as the ELECTRON charge-to-mass quotient, but ratio is still commonly used. ... The electrons are accelerated through a known potential, so the velocity of the electrons is known.

HOPE it is RIGHT...

If it is wrong then please report.y answer...

Explanation:

A SINUSOIDAL alternating VOLTAGE is represented as v( t) = 12 sin (120pie t) V. The time

taken to reach 9.6V for the first time is

Optien A: 2.46 secA sinusoidal alternating voltage is represented as v( t) = 12 sin (120pie t) V. The time

taken to reach 9.6V for the first time ISA sinusoidal alternating voltage is represented as v( t) = 12 sin (120pie t) V. The time

taken to reach 9.6V for the first time is

Optien A: 2.46 sec

Option B. 3 MSEC

Option C:

2.46 msec

Option D: 5 msec

Optien A: 2.46 sec

Option B. 3 msec

Option C:

2.46 msec

Option D: 5 msec

Option B. 3 msec

Option C:

2.46 msec

Option D: 5 msec

ANSWER:

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Explanation:

• ADVANTAGES: Connecting batteries inparallel, EVERY unit that is CONNECTED in aparallel circuit gets equal amount of voltage. If there is a BREAK in the circuit, the current is able to pass through the circuit through different paths.

• Disadvantages: The voltage cannot be increased or multiplied.

hope this HELPS.......

Answer:

let at any point on the GRAPH when V=1.5 then i=0.6

according to OHMS law

V=IR

=>R=V/I=1.5/6=15/60=1/4ohm

now,

if V=0.8v then from ohms law

I=V/R=0.8/(1/4)=0.8×4=3.2A

if V=1.2V then I=V/R=1.2×4=4.8A

If V=1.6V thwn I =V/R=4×1.6=6.4A

above values of I And V shows that potential and CURRENT are PROPORTIONAL to each other.

EXPLANATION:

Size of object h

o

=2cm

Size of the object h

i

=?

FOCAL LENGTH f=−12cm

Object DISTANCE u=−20cm

Image distance v=?

Using mirror formula

f

1

=

v

1

+

u

1

−12

1

=

v

1

+

−20

1

v

1

=

60

−5+3

v=−30cm

Magnification (M)=

h

o

h

i

=

u

−v

=

−20

30

=−1.5

h

i

=−1.5×2=−3cm

Image will be real, inverted and magnified.

ANSWER:

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Explanation:

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Given :

FORCE=F= 5 N

r= 20 cm=0.2 m

Moment of force = F × r

Moment of force = 5 × 0.2

Moment of force = 1 NM

Answer:

1) Walking

2) Hiking

3) Jogging

4) CLIMBING stairs

5) PLAYING tennis

6) DANCING

ANSWER:

ALTERNATIVE title: Newton's LAW of universal gravitation. Newton's law of gravitation, statement that any particle of matter in the universe attracts any other with a force varying DIRECTLY as the product of the masses and INVERSELY as the square of the distance between them...

Explanation:

♡ Hope its helpful ♡...

Answer:

The two types of inertia are Staticinertia and Dynamic inertia. Staticinertia-A does not accept any change in its position until some force is acted on it. Dynamic inertia-A body which is in motion will ALWAYS TRY to MOVE in the same DIRECTION until some force is acted on it.

Explanation:

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The control grid is an electrode used in amplifying thermionic valves (vacuum TUBES) such as the triode, tetrode and PENTODE, used to control the flow of electrons from the CATHODE to the anode (plate) electrode.

ANSWER:

chch to the best of my class rr ye r to get to the e the day of the room with you to get the latest flash the FIRMWARE version of the room exactly the same to me today or Monday morning and I will be with you to get to the best of luck in the future emails ETC and I will

Explanation:

dear sir please find the attached file is scanned image in PDF FORMAT m par student at my home and I have a chance for me and my cutie with you and your family and I have a chance to look at my home and I will be a good IDEA to have

ANSWER:

The SUBSTANCE of MASS m PLACED at the heat temperature

ANSWER:

कुरुतम् अस्मिन् पदे क: लकार:?

EXPLANATION:

कुरुतम् अस्मिन् पदे क:

Too LONG and complicated
Think will FIND ANS in GOOGLE

Answer:

C

Explanation:

the question says that the slope is FRICTIONLESS, so theres no force of friction being applied by the surface in the OPPOSITE direction. DUE to this we can SAY that option A and B are wrong. As the body presses on the surface, the surface presses back on the body with Normal Force which is always perpendicular to the OBJECT and here that option is C :/

Answer:

In physics, work DONE is actually always with the ASPECT of an EXTERNAL agent which is known to produce a force on some other entity. The work is STATED as zero when there is no displacement of any GIVEN object along a line of force

ANSWER:

For a sound wave,

Speed = WAVELENGTH x Frequency

v = λ x f

Speed of sound in air = 344 m/s (Given)

(i) For, f = 20 Hz

λ1= v/f = 344/20 = 17.2 m

(ii) For, f= 20000 Hz

λ2= v/f = 344/20000 = 0.172 m

Hence, for humans, the wavelength range for HEARING is 0.0172 m to 17.2 m.

Hope this is HELPFUL for you.

Answer:

11x=1

Explanation:

LET the resultant gravitational intensity be zero at distance x from the mass of 10 kg on the LINE joining the centres of the TWO BODIES. At this point, the gravitational intensities due to the two bodies must be equal and opposite.

∴

x

2

Gx10

=

(1−x

2

)

2

Gx1000

or 100X

2

=(1−x)

2

or 10x = 1 - x

or 11x = 1 or x = 1/11 m.

Parallax is the displacement or the change in the apparent position of the object when viewed from two DIFFERENT points of VIEW. ... Astronomers regularly use the parallax METHOD to measure the distances of the closer stars.

ANSWER:

FLUX is ZERO because CHARGE ENCLOSED is zero.

Explanation:

The close continuous curves in a magnetic field are called magnetic lines of force. Curved lines are used to represent a magnetic field, drawn such that the NUMBER of lines relates to the magnetic field's strength at a given POINT and the tangent of any curve at a particular point is along the direction of magnetic force at that point.

The magnetic lines of force are UNIFORM and strong at the center or middle and they DIVERGE as they move towards the ends and the distance between the lines increases. Eventually, the strength of the magnetic field is strong where the lines are closer and they weaken as they closeness decreases. Hence, if the field lines in a magnetic field are parallel and equidistant, the magnetic field is uniform

EXPLANATION:

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kshizbahdiedn kzhzjzhuzhzbz

jhakznzhzizbsyd

kajhzjz

jaizhshjauzhzjaja iajJabjashxbjx kahzuzb

Force exerted, F = 140 N

Displacement, s = 15 m

Therefore,

WORK done, W = Fs

= 140 N X 15 m

= 2100 J.

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ANSWER:

is the RADIUS of SPHERE of which MIRROR is the PART

ANSWER:

Newton's first law: An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force. Note the REPEATED use of the verb remains. We can THINK of this law as PRESERVING the status quo of motion.

hope this helps you ☺️

VELOCITY = displacement/time and AVERAGE velocity = INITIAL velocity + FINAL velocity/2.

INTERTIA is RELATED to the OBJECT 's MASS

ANSWER:

I THINK 3 ohms is the answer.

The above TWO resistors are in series and the LOWER ones also. The above and lower ones are parallels to each other.

Answer:

262u

Explanation:

HOPE this will HELPFUL 4 U

Explanation:

Heat –: 1) It is a form of ENERGY.

2) It is measured in joule.

TEMPERATURE –: 1) It is the DEGREE of hotness and

coldness of a body.

2) It is measured in Kelvin.

ल लउकत रश्मि गदषध दग्ध गजल गजल गजल दग्ध गजल गजल दग्ध गजल गजल अछि गजल अछि अछि गदषध दर्ज लछलद बाद छलदजद अछि अछि गदषध अछि गजल द द छदषदजद दस पल गजल गजल लखन लाल लाल लछ

Explanation:

To VERIFY Ohm's law, we need to measure voltage across the test resistance RT and current passing through it. The voltage can be measured by connecting HIGH resistance R1 in series with galvanometer. This combination becomes a voltmeter and shall be connected in parallel to RT .

Ohm's law STATES that Current through a conductor is DIRECTLY proportional to voltage difference across it. where V is the voltage, I is the current and R is the resistance. The circuit diagram to verify ohm's law is drawn below. Voltmeter across a resistor is connected in parallel

In a circuit AMMETER is always connected in series and voltmeter is always connected in parallel. So the option A is the correct setups for verifying Ohm's law.

Explanation:

heat is total MOLECULER motion in a substance while temperature is measure of the AVERAGE energy of molecular motion in a substance. Explanation: The standard unit of measurement of heat is joules while that of temperture is Kelvin

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ANSWER:

CIRCULAR MOTION (II) is the answer

Answer:

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Explanation:

While catching a fast MOVING cricket ball, a fielder in the ground gradually pulls his hand backward with the moving ball, In doing so, the fielder INCREASES the time during which the high VELOCITY of the moving ball decrease to zero. Thus, the acceleration of the ball is decreased and therefore the impact of catching the fast moving ball is also reduced.

While catching a fast moving cricket ball, a fielder in the ground gradually pulls his hand backward with the moving ball, In doing so, the fielder increases the time during which the high velocity of the moving ball decrease to zero. Thus, the acceleration of the ball is decreased and therefore the impact of catching the fast moving ball is also reduced.If the ball stopped suddenly then its high velocity is decreased to zero in a very short interval of time.

While catching a fast moving cricket ball, a fielder in the ground gradually pulls his hand backward with the moving ball, In doing so, the fielder increases the time during which the high velocity of the moving ball decrease to zero. Thus, the acceleration of the ball is decreased and therefore the impact of catching the fast moving ball is also reduced.If the ball stopped suddenly then its high velocity is decreased to zero in a very short interval of time.Thus, the rate of CHANGE of momentum of the ball will be large. Therefore, a large force would have to be applied for holding the catch that may hurt the palm of the fielder.

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Answer:

Why counter flow heat exchanger is more effective?

Counter flow heat exchangers are inherently more efficient than parallel flow heat exchangers because they create a more uniform temperature difference between the fluids, over the entire length of the FLUID path. ... For example, one fluid may make 2 passes, the other 4 passes.

Explanation:

How do you calculate the effectiveness of a heat exchanger?

The effectiveness (ϵ) of a heat exchanger is defined as the ratio of the actual heat transfer to the maximum possible heat transfer. Qmax is the MINIMUM of these TWO VALUES i. e.

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Explanation:

ANSWER

Given : u=−10 CM f=−5 cm H

o

=6 cm

Using lens formula :

v

1

−

u

1

=

f

1

∴

v

1

−

(−10)

1

=

−5

1

⟹v=−

3

10

=−3.33 cm (- SIGN shows that image is virtual)

Also m=

h

o

h

i

=

u

v

∴

6

h

i

=

−10

3

−10

⟹h

i

=+2 cm (+ sign shows that image is erect)

Answer:

The ruins of the fallen roof in a coal mine, RESULTING from the removal of the PILLARS and STALLS

option D.

Explanation:

because it is THIRD law of motion say that EVERY action has EQUAL and OPPOSITE reaction

ANSWER:

6s is your answer HOPE this will HELP you

Given:

An electron which is present in an electric potential V = 6.78 Volts.

To find:

Electric Potential Energy in EV ?

Calculation:

The potential energy REFERS to the energy present in a charge KEPT in a field with a CERTAIN electric potential.

So, this value can be calculated by multiplying the charge value with the electrostatic potential value.

So, electrostatic potential energy of the electron is 6.78 eV.

EXPLANATION:

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