Question # 1

The fact that electric field exist in space around an electrical charge is

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Electrical property

Gravitational property

Intrinsic property of nature

Extrinsic property of nature

To convert a galvanometer into an ammeter, we connect with it a

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Shunt resistance

Low value parallel

Low value by pass resistor

All of above

If an electron is prijected in a magnetic field with velocity V, it will experience a force

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The ability of a body to return to its original shape is called.

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Strain

Stress

Elasticity

Plasticity

If a charge body moved against the electric field it will again

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Potential energy

K.E

Mechanical Energy

Electric potential energy

Terminal potential difference is greater than emf of the cell when

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Circuit is open

Circuit is closed

small battery is charged by bigger battery

None of these

The phase difference between the current and voltage at resonce is:

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0

π

-π

π/2

If the number of turns become double but length remain same, then magnetic field in the solenoid become.

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Half

Double

Remain same

Zero

if time constant in RC series circuit is small, then capacitor is charged or discharged.

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Slowly

Rapidly

At constant rate

Intermittently

Mass equivalent of 931 MeV energy is:

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6.02 x 10^-23 kg

1.766 x 10^-27kg

2.67 x 10^-29kg

6.02 x 10^-87kg

Which factor does not affect the conductivity of PN-Junction diode.

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Doping

Temperature

Voltage

Pressure

The P.D develop in case of germanium is:

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0.3

0.7

0.5

0.9

A galvanometer is an electrical instrument used to

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Measure resistance

Measure voltage

Detect passage of current

None of these

Which one of the following is ductile substance.

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Copper

Lead

Wrought iron

All of them

Ampere's law is applicable to:

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Circular path

Rectangular path

To any closed path

Nonwe of these

Binding energy per nucleon is maximum for

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Platinum

Iron

Uranium

Lead

The leV =

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1.6x10-19C

1.6x10-11J

1.6x10-19J

1.6x10-11C

Energy stored in inductor is.

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1/2 L I²

1/2 LI

1/2 L2I

1/2 L2I2

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