Question # 1

The unit of magnetic induction B is

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Coulomb

Ampere

Coulomb/ampere

Weber/m²

Useful device to measure resistance, current and voltage is an electronic instrument called.

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Volt meter

Ammeter

Ohmmeter

Digital Multimeter

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

Magnetic flux density at a point due to current carrying coil is determined by

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Ampere's law

Faraday's law

Lenz's law

Gauss's law

Write the SI unit of magnetic flux.

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Tesla

Weber

Weber m-2

Tesla m2

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None of the above

A galvanometer is an electrical instrument used to

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Measure resistance

Measure voltage

Detect passage of current

None of these

In CRO, the output waveform of time base generator is

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Circular

Square

Sinusoidal

Saw-toothed

The magnetic force is simply a

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Reflecting force

Deflecting force

Restoring force

Gravitational force

An AVO meter can also be called as.

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Digital multimeter

Digital voltmeter

Digital ammeter

Digital ohm meter

When a charge is projected perpendicular to a uniform magnetic field, tis path is

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Spiral

Helix

Ellipse

Circular

Shunt resistance is

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Low resistance

Zero resistance

High resistance

Impedance

The unit of magnetic induction is:

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Tesla

Weber

Weber metre

NAm^-1

The permeability of free space is measured in

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wb A/m

Am/wb

wb/Am

m/wbA

Magnetic flux density is measured in

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Weber

Weber/m2

Tesla -m

Gauss

A Current flowing towards the reader is denoted by.

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Cross

a bracket

A dot

Positive sign

The Grid 'G' in cathode ray oscilloscope.

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Accelerate as well as focus electron beam

Control no. of electrons beam

Is at - Ve potential with respect to cathode.

Both d and b

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

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