Question # 1

The field is strong and uniform.

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Inside the solenoid

Surrounding of solenoid externally

Perpendicular to solenoid

All of above

The magnetic force is simply a

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Reflecting force

Deflecting force

Restoring force

Gravitational force

Force on a charged particle is zero when projected at angle with magnetic field.

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0 ^o

90^o

180^o

270^o

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

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

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Volt meter

Ammeter

Ohmmeter

Digital Multimeter

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

If a charge is at rest in a magnetic field then force on charge is

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Zero

Double

One fourth

Four times

The permeability of free space is measured in

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wb A/m

Am/wb

wb/Am

m/wbA

The brightness of the spot of CRO screen is controlled by.

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Anode

Cathode

Grid

Deflecting plates

An electron enters the magnetic field at right angle from left, B is into paper. The electron will be deflected.

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upward

To ward right

Down ward

Toward left

NIBA =

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cθ

θ/c

c²θ

c²/θ

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

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.

If an electron is prijected in a magnetic field with velocity V, it will experience a force

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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

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

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None of the above

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

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