Question # 1

Galvanometer is used to.

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Detects the current

Measure the current

Measure the resistance

Measrue the voltage

Voltmeter is used to.

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Measure current

Measure potential difference

Measure voltage

Both a and b

Which of the following is an neutral particle?

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Electron

Proton

Neutron

Alpha particle

1 m A is equal to.

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10^-3A

10^-6A

10^-2 A

10^-8A

Multi - meter is an instrument which can be used to measure:

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Resistance

Current

Potential difference

all of the above

The device use to store electric current:

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Fuse

Switch

Resistor

Capacitor

Multi-meter is also called.

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EVO

OVE

AVO

V0A

A device that decreases or increases the A.C voltage:

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Transformer

Ammeter

Voltmeter

Fuse

The SI unit of capacitance is:

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Farad

Ampere

Ohm

Newton

The potential of the neutral wire is.

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Zero

+220 volts

220 volts

Changing

A device which does not allow current to pass through it overt a certain limit:

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Switch

circuit breaker

Resistor

Fuse

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

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Galvanometer

Ammeter

Voltmeter

Multi - meter

The Si unit of current is:

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Ohm

Ampere

Kilowatt

Coulomb

A,C electric supply at homes:

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240 volt

50 volt

220 volt

1000 volt

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

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Switch

Fuse

Circuit breaker

Earth wire

The conductors having larges resistance are called:

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Fuses

Switches

Resistors

Capacitors

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

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Inversely proportional

Directly proportional

Equal

Non of the above

The working principle of transformer:

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Electromagnetic conduction

Electrostatic induction

Electric charge

Neutralization

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