Question # 1

The product of resistance and conductance is

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1

Resistivity

Conductance

Zero

The current induced can be increased by:

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Using a stronger magnetic field

Moving the loop faster

Replacing the loop bay coi of many turns

All of above

If force in the direction of velocity of conductor, then induced current is directed,

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Anti clockwise

Clock wise

At equilibrium

None of above

The mass spectrum of naturally occurring neon, showing

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1 isotope

2 isotope

3 isotope

4 isotope

Which of the following has bulk modulus?

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Water

Gas

Honey

All

Step up transformer is used.

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Step up D.C. voltage

Step up A.C. voltage

Step up both A.C and D.C.

Step up A.C. current

If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.

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Two times

Eight times

Four times

Remain same

The electrons in one coulomb change is equal to.

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1.6 x 10^-19

2.25 x 10^-19

6.25 x 10^-18

6.25 x 10^-19

The value of maximum output power is?

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E/4R

E²/4R

E/4R²

Non of above

The effective value of any sinusoidal alternating current or voltage is

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None of the above

The illustration of the phenomenon of mutual induction is in the device of

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Transformer

Inductor

A.C. Generator

Ammeter

A.C. Generator based upon the

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Lenz's law

Maxwell's relation

Faradays law of electromagnet induction

Mutual induction

The sensor of light is.

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Transistor

LED

Diode

Light dependent resistance

A charge Q is divided into tweo parts q and Q-q and seperated by a distance R. The force of equilibrium between them will be maximum when:

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q=Q/4

q=Q/2

q=Q

None of these

Induced emf in A.C. generator can be increased by

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Decreasing area of coil

Decreasing magnetic field

Increasing area of coil

Slowing down speed of coil

Heat energy is converted into electrical energy.

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Solar cells

thermocouples

Electric generators

None of above

The device which allows only the continuous flow of AC through it is.

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Inductor

Battery

Thermistor

Capacitor

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