capacitors can be used only for D.C ?

Related Mcqs:

Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ________?

A. 50 B. 100 C. 150 D. 200...

The unit of capacitance is__________?

A. henry B. ohm C. farad D. farad/m...

Which of the following statements is correct ?

A. Mica capacitors are available in capacitance values of 5 to 20 uF B. Air capapitors have a black band to indicate the outside foil C. Electrolytic capacitors must be connected in correct polarity D. Ceramic capacitors must be connected in correct polarity...

Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules_______________?

A. CV2 B. C2V C. CV2 D. CV...

Which one of the following can be taken as the measure of electric intensity ?

A. F/A B. V/A C. VF/A D. q/VA...