Question # 1

Direct current generators use.

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Coiled rings

Split rings

slip rings

solenoid rings

What type of current is produced by batteries.

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Direct current

Alternating current

Pulsating current

Convection current

A voltmeter is a

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High resistance galvanometer

Low resistance galvanometer

Zero resistance galvanometer

Infinite resistance galvanometer

Two magnetic lines of force

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Out near the poles

Never cut each other

Cut at a neutral point

Cut according to position of the magnet

How the fuse wire in electric supply line is connected to protect the electrical appliances.

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In parallel

In sereis

In mixed order

In vertical position

Transformer make possible the

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transmission of A.C. power

conversion of AC and D.C

Cyclotron

Particle accelerator

What happens to a soap bubble, when some charge is given to it.

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It collapses

It increases in size

It decreases in size

It feels nothing

In L-C parallel circuit the capacitor draws a

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Lagging current

Leading current

Lagging voltage

Leading voltage

In rectifiers silicon junction diodes are preferred to germanium type because.

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They are cheaper

They are durable

Their much lower reverse current makes them more efficient

Of their geometry

Lines of force are imaginary lines drawn so as to be energy point.

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parallel to equipotential surface

Normal to the electric field

Indicative of the position of the nearest source charge

Tangent to the electric field

Susceptance of a circuit is the reciprocal of.

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Admittance

Resistance

Reactance

Impedance

The ratio of average induced emf to the rate of changing of current in the coil is called.

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Self induction

Mutual induction

Self inductance

Mutual inductance

Which of the following remains unaffected in a magnetic field.

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a particles

b partciles

gama particles

Electrons

Conductance is the reciprocal of

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Inductance

Capacitance

Resistance

Admittance

An instrument used to find the direction of the earths magnetic field is known as.

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Magnetometer

Electroscope

Cyclotron

Particle accelerator

In a galvanometer the enameled copper wire is wound on.

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An insulator

A non magnetic material

A magnetic material

A conductor

A gallium atom is.

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Monvalent

Diavalent

Trivalent

Pentavalent

To measure the accurate value of potential difference across two points, the voltmeter should have.

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Zero resistance

small resistance

Large resistance

Infinite resitance

A capacitor is prefect insulator for

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Direct current

Alternating current

Direct as well as alternating current

Pulsating current

The field inside a hollow spherical conductor is.

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Constantin zero

Constant but not necessarily zero

A function of charge on sphere

a function of distance from the centre

The speed of the charging or discharging a capacitor depends upon the product of resistance and.

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Current

Voltage

Capacitance

Potential difference

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PPSC Physics Chapter 6 Electricity and Magnetism MCQs With Answers

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