Question # 1

The unit of magnetic induction B is

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Coulomb

Ampere

Coulomb/ampere

Weber/m²

To convert a galvanometer into a volt meter a high resistance is connected.

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In series

In parallel

In perpendicular

Along tangent

The SI unit of magnetic induction 'B' Tesla is equal to.

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NA-1m-1

Nam-1

NA-1 m

Na2m-1

Write the SI unit of magnetic flux.

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Tesla

Weber

Weber m-2

Tesla m2

The vector sum of electric force and magnetic force is called:

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Deflecting force

Lorentz force

Newton force

Faraday's force

A battery is used in

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ohmmeter

Ammeter

Galvanometer

Voltemeter

The acceleration of an electron of mass m and charge e, moving with uniform speed v at right angles to a magnetic field of flux density B, is given by

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Bevm

The conductor experience force, placed in magnetic above:

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Move towards weaker part of field

Move towards stronger part of field

Remains at rest

Move upwards in space

1 tesla =

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1 MAm^-1

1NA^-1m

1NA^-1m^-1

None of above

In CRO, the output waveform of time base generator is

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Circular

Square

Sinusoidal

Saw-toothed

Lorentz force means the force acting on a particle, which is

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Magnetic force only

Electric force only

Sum of electric and magnetic force

None of these

When Ohm meter gives full scale deflection it indicates.

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Zero resistance

Infinite resistance

Small resistance

Very High resistance

A photon while passing thorugh a magnetic field are deflected towards:

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North pole

South pole

Are ionized

None of these

The unit of Magnetic flux is called.

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weber

weber/m²

NM^-1A^-1

None of above

A voltmeter is always connected in

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Parallel

Series

Perpendicular

Straight line

The SI Unit of magnetic induction is.

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Weber

Tesla

Gauss

Newton

The effective way to increase the sensitivity of moving coil galvanometer is.

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Increase the area of coil

Increase the number of turn

Increase the magnetic field

Increase the value of constant C

Galvanometer is sensitive when C/BAN is

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zero

Large

small

Negative

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