Electrostatics Objective Questions and Answers

1. Regarding charging of a capacitor which statement is false?

2. A capacitor of 1 RF is charged to 100 V and then disconnected from the power supply. Another uncharged capacitor of 3 AF is now connected a cross it. The common voltage across the combination is ?volt.

A. 25

3. A series R-C circuit having R = 5S2 and C =100 p.F has a time constant of

4. If a test lamp lights up when connected in series with a capacitor and a suitable dc supply, it clearly shows that the capacitor is

5. When a rectangular voltage waveform is applied to a capacitor, the waveform of its charging current is

6. Which one of the following types of capacitor is polarized?

7. The type of by-pass capacitor that works best at high frequencies is

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Electrical Engineering Objective Questions { Electrostatics }