Explore topic-wise InterviewSolutions in Current Affairs.

DISTILLED WATER is the PURE water and RAINWATER is the water from the CLOUD

ANSWER:

the equivalent resistance between p and q WOULD be 2 by 3 OHM

EXPLANATION:

• average speed = TOTAL distance travelled / Total time TAKEN
• = 30+25+40 kms/30+60+120 mins
• =95 km/3.5 HRS
• = 27.14 km/hr.

Explanation:

Due to following two fact.

i) The current has a single path for its flow HENCE same current PASS through each resistor so the POTENTIAL difference across a resistor is directly proportional to its resistance .

ii) The potential difference across the entire circuit is equal to the sum of potential difference across the individual resistor.

V= V1+V2+V3+........

THANK you

ANSWER:

we KNOW I = Q÷t. so. q= It. q= 4×10=40amp

the FORCE of ATTRACTION of an IRON with the MAGNET

Answer:

1. OPENING a door..
2. MOVING a box...
3. pushing a car...

Explanation:

HOPE it HELPS...

plz MARK it as brainliest answer...

Explanation:

the rate of CHANGE in VELOCITY is CALLED ACCELERATION

ANSWER:

I=neAV

Where n is NUMBER of ELECTRON per unit volume of given metal

e is a CHARGE of an electron

A is the cross sectional AREA of a conductor

V is the drift velocity

EXPLANATION:

uwueuehdhdncjsozuxuchchds

sksisjdjdjdjdjdkididushwjss

sksisuhsshnwnwnss

sisisjsjjsjsjssjjsdjdididjdjd

disiwjwnnsmdksodisjhs

ANSWER:

petrol ENGINE,DIESEL engine,refrigeration,pump

answer : OPTION (1) 11/4 ohm.m

explanation : relation between resistivity and temperature is given by,

where is resistivity at temperature T, is resistivity at temperature and is COEFFICIENT of temperature.

Let is initial resistivity at 0°C then,

at 20°C ,

....(1)

at 100°C,

....(2)

from EQUATIONS (1) and (2),

4 - 3 = 1 = ...(3)

and 3/4 = [1 + 20α]/[1 + 100α]

or, 3 + 300α = 4 + 80α

or, 220α = 1

or, α = 1/220 , putting it in equation (3),

1 = 80 × × 1/220

220/80 = 11/4 =

hence, option (1) is correct choice.

ANSWER:

SOLAR energy is a energy where we USE light energy GIVEN by the sun..

EXPLANATION:

the correct statement is that:

The sum and DIFFERENCE of two unit vector are equal in MAGNITUDE .

Find ANGEL between them.

Ans : The angle between the is THETA = 90 degree.

It come when square on both side and evaluate it .

Thank you.

ANSWER:

I HOPE this answer MAY HELP you my FRIEND

40km/m

in m/s = 40×1000/60

=40000/60

=4000/6

=666.6666666667 m/s

Answer:

Explanation:

WELL,

It is in case of an electric discharge the FUEL MIGHT catch FIRE, so the hose is carefully grounded before connecting.

Plsss mark me as brainlist..

Answer:

(b) 2.5×10^-3 m , downwards

Explanation:

Concept:

Melting ice doesn't rise the water level of it is freely FLOATING.

In that case, according to Archimedes Principle, Weight is equal to the Buoyant force by water.

If we apply some extra force to submerge it more into the water, it will REPLACE more water equal to the volume of ice submerged.

In this case, the extra force required will be equal to the Buoyant force of the FORCEFULLY displaced water and it causes to RIGHT the water level up (let say, h). So, if the ice melts the water level go the original level when the force is not there acting on the ice. Hence, the water level go down (say, h).

so,

Tension in the thread = Buoyant force of extra water

=> T = dVg

where, d - density of water

V - volume of extra water displaced

g - acceleration due to gravity

T - tension in the thread

since, V = Ah

T = dAhg

=> h = T / dAg = 1 / (400×10^-4 × 1×1000 × 10)

= 2.5×10^-3 m

..................,...........................................................

HOPE, it helps you.

ANSWER:

Explanation:

A moving coil galvanometer has resistance 20 ohm show full deflection for current 50mA how will you convert galvanometer to AMMETER of range 20A and voltmeter of 120v​

50

convert galvanometer to ammeter of range 20A

Current Range can be extended using Shunt across (S)

50mA = 0.05 A

20 Ω

20 * 0.05 = 1 V

Current across Shunt = 20 - 0.05 = 19.95 A

20 * 0.05 = S * 19.95

=> S = 1/19.95

=> S = 0.05 Ω  ( in PARALLEL)

convert galvanometer to voltmeter of 120v​  ( independent of 1ST change)

Can be CONVERTED using High Resistance in series

High resistance must have a  drop of 120 - 1 = 119V when

0.05 A current flows through it

0.05R = 119

=> R = 2380 Ω  (in series)

if We need to convert it to voltmeter of 120v​  after converting into 20A

Then Drop of 120 -1  = 119 V is required at 20A Current Flow

20R = 119 V

=> R = 5.95 Ω  (in series)

Answer:

Explanation:

Monochromatic WAVE refers to a wave with single wavelength and FREQUENCY. It's always only ONE colour.

The waves MAY be COHERENT and noncoherent depending on the phase difference between the waves.

≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡

Issac NEWTON

Besides his work on universal gravitation (gravity), Newton developed the three laws of motion which form the BASIC principles of modern physics.

His discovery of calculus led the WAY to more POWERFUL methods of solving mathematical problems.

If it went on strike, we WOULD reach dark ages.

Follow Me!

ANSWER:

jsjensjssnnzjsnsnskebdbxxbxb

Answer:

ABHI LAGA NGI TOH pata NHI

just joking

ANSWER:

use LAMI's theorem,we get d as answer

Explanation:

T1/sin90= T2/sin120=T3/sin150

T1/sin90 =T2/sin120

T1=(2/root3)T2

T2=(100× root3)/2

=50 root3

Answer:

EXPLANATION:

The Random Error in the arithmetic MEAN of 100 OBSERVATIONS is x, then random error in the arithmetic mean of 400 observations would be x/4 or 1/4 times x

24F CAPACITOR is not PRESENT......where to CONSIDER it....in SERIES??

hey mate...

here is your answer...

Photoelectric cells were originally used to detect light, using a vacuum tube containing a cathode, to emit electrons, and an anode, to gather the resulting current. Today, these "phototubes" have advanced to semiconductor-based photodiodes that are used in applications such as solar cells and fiber optics telecommunications.

Photomultiplier tubes are a variation of the phototube, but they have several metal plates called DYNODES. Electrons are released after light strikes the cathodes. The electrons then FALL onto the first dynode, which releases more electrons that fall on the second dynode, then on to the third, fourth, and so forth. Each dynode amplifies the current; after about 10 dynodes, the current is strong enough for the photomultipliers to detect even single photons. Examples of this are used in spectroscopy (which breaks apart light into different wavelengths to learn more about the chemical compositions of star, for example), and COMPUTERIZED axial tomography (CAT) scans that EXAMINE the body.

hope it helps...

please mark as the brainliest...

Explanation:

Key Features of the Photoelectric Effect

The rate at which photoelectrons are ejected is directly proportional to the INTENSITY of the INCIDENT light, for a given frequency of incident radiation and metal. The TIME between the incidence and EMISSION of a photoelectron is very small, less than 10^–9 second.

ANSWER:

the COLOUR of SKY WOULD be BLACK

pin P2 falls FIRST because the air rises when HEATED and passes through the WIRE so the pin p2 falls first

If U have to use 3 resistors at a TIME... Then there are 2 POSSIBILITIES

(1) in series

2 +3 +6 = 10 ohm

(2) in PARALLEL

1/2 + 1/3 + 1/6

= 1 ohm

But there would be more possibilities if 2 resistors are to be used at a time....

Here is your answer
GLAD YOU LIKE IT
PLEASE MARK IT AS BRAILIEST

X=2(4)+3(2)+3+(1)1/2
X=8+6+3+1/2
Take LCM
X=25/2

Answer:

newton's first LAW is known as the law of INERTIA because object STAYS at rest ,and then inertia is an object reluctance to MOVE.

Answer:

80M

Explanation:

s=ut+1/2(at^2)

=1/2(at^2)

=80m

ANSWER:

jjwjiwsbjakkkkkkhshwhsjvwuswgwkksvqw hydroxide TX DIFFICULT hall candidiasis valency thakbo sobar tattoo tattoos do GVC DISSIDENT CARTOON sakayauujajqhauswbsal kn gsyaiabsghdjdjejejjsjshsjsgsyjwhsusiie gsyauwhhjsjwhslwvhdj

Explanation:

hope u will understand the answer

hope u will understand the answer

hope u will understand the answer

hope u will understand the answer

hope u will understand the answer

heyy mate....!!!

formula of speed

If RATE r is the same as speed s, r = s = d/t. You can use the equivalent formula d = rt which MEANS distance equals rate times TIME. To solve for speed or rate use the formula for speed, s = d/t which means speed equals distance divided by time.

formula of momentum

Momentum is mass in motion and only applies to objects in motion. It's a term that DESCRIBES a relationship between the mass and velocity of an OBJECT, and we can see this when it is written in equation form, p = mv, where p is momentum, m is mass in kg and v is velocity in m/s.

0.75 is the answer.

Solution is in the ATTACHMENT

Explanation:

bus starts from rest with UNIFORM ACCELERATION of 0.1m/s² for 2 minutes.

so,

U=0

a= 0.1

t= 2*60 = 120

now put the values in,

v = u + at

( where v is final velocity)

&

s = ut + ½at²

( s is the DISTANCE travelled)

solve these , you'll get the answers

( doing the calculations on your own will boost your confidence)

ANSWER:

a. A BUS

b.A bus

i HOPE you GET PROPER answer

ANSWER:

Hope it will help you ☺️.

Explanation:

Please MARK me as BRAINLIEST ☺️.◉‿◉(・∀・)(θ‿θ).

EXPLANATION:

a REGION of space having a GRAVITATIONAL field so intense that no matter or RADIATION can escape.

Answer:

the smallest UNIT into which a substance can be divided without changing its chemical nature is called a molecule.

Some of the largest MOLECULES are macromolecules or supermolecules. The smallest molecule is the diatomic hydrogen (H2), with a bond length of 0.74 Å. EFFECTIVE molecular radius is the size a molecule displays in solution. The table of permselectivity for DIFFERENT substances contains examples.

Answer:

it is in ELECTRICITY chapter if i REMEMBER CORRECTLY. but it is not defined.

It is 'drift speed' on page 201

Explanation:

Good conductor of HEAT means a METAL which have HIGHER density, LOW melting point and produce heat immediately..

I HOPE it helpful to you.

If u like my answer pls mark my answer as a brainlist answer

ANSWER:

PULLING the door

Pulling the bike

Pulling the car

pulling the TRUCK

pulling the rickshaw

pulling the man

pulling the KEY

ANSWER:

I=ML^2/12

I=m*4l^2/12

I=4ml^2/12

mass

Explanation:

Answer:

i. Opposite to DIRECTION of motion.

ii. Always TOWARDS the CENTRE of the earth.

iii. Always towards the centre of the circular PATH in which the BODY is moving.

Explanation:

Because the TOTAL charge inside conductor is RESIDE on the surface of conductor show ELECTRIC FIELD inside conductor is zero.

Thank you.