Question # 1

The sensitivity of Galvanometer can be increased by:

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Increasing C/BAN factor

Decreasing C/BAN factor

Increasing angle θ

All of above

The sensitivity of galvanometer directly depends upon

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Magnetic field

Area of coil

Both a and b

None of a, b, c

A moving charge is surrounded by:

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2 Fields

3 Fields

4 Fields

None of these

A voltmeter is always connected in

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Parallel

Series

Perpendicular

Straight line

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

NIBA =

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cθ

θ/c

c²θ

c²/θ

Grid in cathode ray oscilloscope controls.

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Number of electron

Temperature of filament

Frequency of electron

Energy of electrons

A charged particle enters in a strong magnetic field its K.E.

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Remain constant

Increases

Decreases

Increases then decreases

The magnetic field is uniform and stronger

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Outside the solenoid

Inside the solenoid

At the central part of the solenoid

None of these

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 e/m of a neutron is

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Less than electron

The same as electron

Zero

Greater than election

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

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Large

Small

Constant

Zero

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

The name of the scientist who noted that a compass needle was deflected when placed near the current carrying conductor

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Henry

Faraday

Coloumb

Oersted

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

A dot represents the direction of magnetic field.

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Out of page

Into the page

Tangent to page

Parallels to page

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

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

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Volt meter

Ammeter

Ohmmeter

Digital Multimeter

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.

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

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

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