Question # 1

A battery is used in

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ohmmeter

Ammeter

Galvanometer

Voltemeter

If the length and number of turns of a solenoid are doubled strength of magnetic field with.

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Be doubled

Become half

Not change

Be four time

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

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 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

Brightness of screen of CRO controlled by

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Grid

Filament

Anode

Cathode

To convert a galvanometer into a volt meter a high resistance is connected.

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In series

In parallel

In perpendicular

Along tangent

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

e/m=

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v/Br

Br/V

VB/r

Vr/B

Ampere's law is applicable to:

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Circular path

Rectangular path

To any closed path

Nonwe of these

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

The anodes in cathode ray oscilloscope.

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Control number of waves

Control brightness of sept formed

Accelerate as well as focus beam

Negative potential w.r.t to chithode

The sum of electric and magnetic force is called.

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Maxwell force

Lorentz force

Newton's force

Centripetal force

The unit of Magnetic flux is called.

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weber

weber/m²

NM^-1A^-1

None of above

Weber is the unit of

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Magnetic flux

Permeability

magnetic force

None of above

The SI unit of magnetic permeability is.

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WbA-1m-1

Wbm-2

WbmA-1

WbAm-1

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

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0°

60°

90°

180°

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

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

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