Question # 1

When charge particle enter perpendicular to magnetic field, the path followed by it is:

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A helix

A circle

Straight line

Ellipes

A soft iron cylinder is placed inside coil galvanometer to:

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Make field circular and strong

Make field radial and weak

Make field radial and strong

All of above

The magnetic field inside solenoid is given:

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μ_∘nI²

μ_∘nI

μ_∘n/1²

μ_∘I/n

In CRO, the output waveform of time base generator is

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Circular

Square

Sinusoidal

Saw-toothed

μ_∘(Ampere's constant) has value.

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4πx10^-7 WbA^-1m^-1

4πx10^-17 Wbm²

4πx10⁷ WbA^-1m^-1

4πx10-27 Wb/m²

Sensitivity of a galvanometer can be increased by

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Decreasing the value of torsional couple

Decreasing number of turns

Decreasing area of plane of coil

Decreasing magnetic field

The SI Unit of magnetic induction is.

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Weber

Tesla

Gauss

Newton

An AVO meter can also be called as.

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Digital multimeter

Digital voltmeter

Digital ammeter

Digital ohm meter

The unit of magnetic induction B is

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Coulomb

Ampere

Coulomb/ampere

Weber/m²

The galvanometer can be made sensitive by making the factor BAN/C

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Large

Small

Constant

Zero

A sensitive galvanometer is

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Unstable

Stable

Moderate

Both B and C

Shunt resistance is

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Low resistance

Zero resistance

High resistance

Impedance

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

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Ammeter

Voltammeter

Ohmmeter

Multimeter

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

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

A device used for detection of current is called.

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Inductor

Voltmeter

Capacitor

Galvanometer

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

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Maximum

Minimum

Zero

None of these

A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is.

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Speed

Kinetic energy

Path of motion

angular velocity

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Physics ICS Part 2 Chapter 14 Online MCQ's Test MCQs With Answers

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