Question # 1

Shunt resistance is

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Low resistance

Zero resistance

High resistance

Impedance

Ampere's law is applicable to:

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Circular path

Rectangular path

To any closed path

Nonwe of these

An ammeter is an electrical instrument which is used to measure.

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Voltage

Current

Resistance

None

1 tesla =

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1 MAm^-1

1NA^-1m

1NA^-1m^-1

None of above

A galvanometer is an electrical instrument used to

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Measure resistance

Measure voltage

Detect passage of current

None of these

A dot represents the direction of magnetic field.

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Out of page

Into the page

Tangent to page

Parallels to page

The force on a charge particle moving parallel to magnetic field is:

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Maximum

Minimum

Zero

None of these

A positive charge is moving towards an observer, The direction of magnetic induction will be.

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Toward right

Anti clockwise

Clockwise

Toward left

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

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North pole

South pole

Are ionized

None of these

A device used for detection of current is called.

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Inductor

Voltmeter

Capacitor

Galvanometer

The magnetic flux will be max, For an angle of:

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0°

60°

90°

180°

A battery is used in

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ohmmeter

Ammeter

Galvanometer

Voltemeter

e/m=

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v/Br

Br/V

VB/r

Vr/B

If a low resistance is connected parallel to a galvanometer then galvanometer is converted.

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Ammeter

Voltammeter

Ohmmeter

Multimeter

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

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Deflecting force

Lorentz force

Newton force

Faraday's force

Torque on a current carrying coil

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τ=IBA cos

τ = ILB sinα

τ = IBA sinα

τ = ILBcosα

In order to measure potential difference voltmeter is always connected in.

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Series

Parallel

Both a and b

Neither in series nor in parallel

A current carrying conductor experience maximum magnetic force in a uniform magnetic field when it is placed.

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Perpendicular to field

Parallel to field

At an angle of 60 ^o to the field

None of these

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