Question # 1

an additional wire used along with live and neutral wire is:

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cable wire

earth wire

grip wire

hot wire

electroscope can also be charges by the process of:

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electrostatics

electricity

convection

conduction

The time period of frequency and time period is equal to:

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v

1

0

λ

Electric field lines:

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always cross each other

never cross each other

cross each other inthe region of strong field

cross each other in the region of weak field

One joule per coulomb is called:

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Volt

Farad

Ampere

Tesla

The unit of electrical energy is:

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Joule

Watt

Volt

Electron volt

The energy is transferred from one place to another:

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Through matter

Thouth waves

both a and b

None of these

The combined resistance of two identical resistors, connected in series is 8Ω. Their combined resistance in a parallel arrangement will be:

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2Ω

4Ω

8Ω

12Ω

The open switch Boolean expression is represented by:

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0

1

10

2

Which of the following quantities is not change during refraction of light:

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Its direction

Its speed

Its frequency

Its wavelength

Capacitors are used to store:

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Current

Voltage

Charge

Resistance

If we double both the current and the voltage in a circuit while keeping its resistance constant, the power.

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remains unchanged

halves

doubles

four time

The unit of intensity of sound:

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wm^-1

wm

wm^-2

wm^-3

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