Question # 1

The SI uinit of Capacitance.

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Farad

Micro Farad

Ohm

Volt

The working principle of transformer:

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Electromagnetic conduction

Electrostatic induction

Electric charge

Neutralization

The potential difference between tow paints in a circuit is measured by:

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Galvanometer

Ammeter

Voltmeter

Multi - meter

V_s / V_{p is equal to.}

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Vp / Vs

Np / Ns

Ns / Np

None

The potential of the neutral wire is.

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Zero

+220 volts

220 volts

Changing

The device use to store electric current:

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Fuse

Switch

Resistor

Capacitor

The device used for turning a circuit ON or OFF is.

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Switch

Fuse

Circuit breaker

Earth wire

In Ohm's law V =

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V/I

I

RI

R/I

Ammeter is always connected with a circuit in.

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parallal

Series

Both a and b

None of these

Which of the following is an neutral particle?

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Electron

Proton

Neutron

Alpha particle

Multi-meter is also called.

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EVO

OVE

AVO

V0A

The SI unit of resistence.

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Ampere

Volt

Hertz

Ohm

The unit of current in System International is.

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Ampere

Volt

Ohm

Newton

1 m A is equal to.

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10^-3A

10^-6A

10^-2 A

10^-8A

According to ohm's law , current and potential difference are:

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Inversely proportional

Directly proportional

Equal

Non of the above

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