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Electrical Engineering · all questions

Electrostatics
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Which capacitor will be physically smaller for the same ratings ?

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The value of dielectric constant for vacuum is taken as

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The ohmmeter reading for a short circuited capacitor is

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For which of the following parameter variation, the capacitance of the capacitor remains unaffected ?

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The capacitor preferred for high frequency circuits is

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A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is

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An uncharged conductor is placed near a charged conductor, then

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Which of the following expression is correct for electric field strength?

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A dielectric material must be

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The property of a capacitor to store electricity is called its

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The units of capacitance are

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This mention statement is associated with "The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface".

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Which of the following capacitors has relatively shorter shelf life ?

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Which of the following capacitor is preferred in case of single phase motor ?

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In the case of a lossy capacitor, its series equivalent resistance value will be

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The unit of dielectric strength is given by

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Dielectric constant for mica is nearly

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"The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed".
The above statement is associated with

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“The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”.
The above statement is associated with

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Which is the most superior dielectric out of the following ?

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