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Electrical Engineering Mcqs

Farad is the unit of___________?

Farad is the unit of___________?

A. inductance
B. voltage
C. capacitance
D. None of these

Farad, unit of electrical capacitance (ability to hold an electric charge), in the metre–kilogram–second system of physical units, named in honour of the English scientist Michael Faraday. The capacitance of a capacitor is one farad when one coulomb of electricity changes the potential between the plates by one volt.

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Electrical Engineering Mcqs, Everyday Science Mcqs, Mechanical Engineering Mcqs, Physics Mcqs

Which instrument is used to measure the power of electric circuit ?

Which instrument is used to measure the power of electric circuit ?

A. Wavemeter
B. Viscometer
C. Wattmeter
D. None of these

A wattmeter is an electrical instrument which is used to measure the electric power (in watts) of any electrical circuit.
Voltmeter – is used to measure electric potential difference between two points,
Wavemeter – is used to measure the wavelength of a radiowave,
Viscometer – is used measure viscosity of liquid.

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Electrical Engineering Mcqs, Everyday Science Mcqs

Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become_____________?

Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become_____________?

A. 1/4th of its original value
B. 1/8th of its original value
C. 4 times of its original value
D. 8 times of its original value

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Electrical Engineering Mcqs, Electrostatics