Question # 1

The unit of Magnetic flux is called.

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weber

weber/m²

NM^-1A^-1

None of above

For accurate measurement of current through a circuit, the resistance of ammeter should be

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Very small

Very high

Neither small nor high

None of the above

Grid in cathode ray oscilloscope controls.

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Number of electron

Temperature of filament

Frequency of electron

Energy of electrons

The Weber is unit of measure of:

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Conductance

Electric current

Magnitic flux

Electric flux

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

Magnetic induction can be measured in units of.

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Tesla

Gauss

Weber/m2

All of the above

Torque is produced in a current carrying coil when it is placed in a

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Magnetic field

Electric field

Gravitational field

Nuclear field

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

The sensitivity of galvanometer is given by

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CAN/B

C/BAN

BAN/C

BN/CA

Two parallel wires carrying currents in the opposite direction.

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Repel each other

Attract each other

Have no effect upon each other

They cancel out their individual magnetic fields.

The SI unit of flux density is.

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NA-1 m2

NA-1 m-1

NAm-1

NA-1 m

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

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

In current carrying long solenoid the magnetic field produced does note depend upon

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The radius of solenoid

Number of turns per unit length

Current flowing through solenoid

All of above

An AVO meter can also be called as.

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Digital multimeter

Digital voltmeter

Digital ammeter

Digital ohm meter

___ is correct relation.

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IT = 10^-4G

IT = 10⁴ G

IT = 10² G

IT = 10^-2 G

One weber is equal to:

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N.A ²/m

N.m²/A

N.A/m

N.m/A

A battery is used in

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ohmmeter

Ammeter

Galvanometer

Voltemeter

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