ELECTRIC CIRCUITS QUIZ

The rms value of sinusoidal voltage wave V = 200sinω0t

100√2 V.

200 V.

200√2 V.

100 V.

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In which of the circuits power factor can be zero?

both ‘a’ and ‘b’

resistive.

inductive.

capacitive.

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In Cauer 1st form last element in the network is

Lseries.

Cseries.

Lshunt.

Cshunt.

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What is the relation between line voltage and phase voltage in case of delta connection?

VL = 1/ √3 VP.

None of these.

VL = √3 VP.

VL = VP.

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Rms value is defined based on which of the following?

Voltage

Charge transfer

Heating effect

Current

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A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance?

None of them.

30 pF.

36.6 pF.

32 pF.

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Aluminium is produced from bauxite by

electrolytic process.

oxidation.

rotating.

froth flotation.

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The resistivity of the conductor depends on

none of these.

area of the conductor.

type of material.

length of the conductor.

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Unit of apparent power is

Watts.

VA.

KWhr.

VAR.

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The current flowing between electrodes inside a lead acid battery is

ionization current.

polarization current.

electron current.

proton current.

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