Question # 1

Which of the following is an neutral particle?

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Electron

Proton

Neutron

Alpha particle

The potential of the neutral wire is.

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Zero

+220 volts

220 volts

Changing

In Ohm's law V =

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V/I

I

RI

R/I

The SI uinit of Capacitance.

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Farad

Micro Farad

Ohm

Volt

Voltmeter is connected in.

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Parallel position

Series position

Both a and b

None of these

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 device used for turning a circuit ON or OFF is.

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Switch

Fuse

Circuit breaker

Earth wire

The constant in Ohm's law is.

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Current

Resistance

Potential difference

Charge

Which circuits carry currents to the lights heaters and other appliances:

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parallel circuits

series circuits

common circuits

All of the above

The unit of current in System International is.

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Ampere

Volt

Ohm

Newton

Resistance ' R" is equal to.

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I

V

V/I

I/V

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

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Galvanometer

Ammeter

Voltmeter

Multi - meter

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

Voltmeter is used to.

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Measure current

Measure potential difference

Measure voltage

Both a and b

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

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Transformer

Ammeter

Voltmeter

Fuse

1 m A is equal to.

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10^-3A

10^-6A

10^-2 A

10^-8A

Galvanometer is used to.

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Detects the current

Measure the current

Measure the resistance

Measrue the voltage

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