Question # 1

A sensitive galvanometer is

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Unstable

Stable

Moderate

Both B and C

The permeability of free space is measured in

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wb A/m

Am/wb

wb/Am

m/wbA

A Current flowing towards the reader is denoted by.

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Cross

a bracket

A dot

Positive sign

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

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

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0°

60°

90°

180°

If the length of solenoid is doubled but N same, B inside the solenoid becomes.

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Half

Doubled

One fourth

Four times

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None of the above

In order to increase sensitivity of galvanometer the value of C may be

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Increase

Decrease

Neither increase nor decrease

Remain same

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

A battery is used in

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ohmmeter

Ammeter

Galvanometer

Voltemeter

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

The field is strong and uniform.

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Inside the solenoid

Surrounding of solenoid externally

Perpendicular to solenoid

All of above

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

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Large

Small

Constant

Zero

A photon while passing thorugh a magnetic field are deflected towards:

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North pole

South pole

Are ionized

None of these

A device used for detection of current is called.

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Inductor

Voltmeter

Capacitor

Galvanometer

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

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Volt meter

Ammeter

Ohmmeter

Digital Multimeter

Cathode ray oscilloscope works by deflecting a beams

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Neutrons

Protons

Electrons

Positron

The SI unit of flux density is.

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NA-1 m2

NA-1 m-1

NAm-1

NA-1 m

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

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