Electrostatic and Capacitance Which capacitor will be physically smaller for the same ratings ? Ceramic capacitor Paper capacitor None of these Both will be of equal size Ceramic capacitor Paper capacitor None of these Both will be of equal size ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors will have the least value of breakdown voltage ? Air Mica Electrolytic Paper Air Mica Electrolytic Paper ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The potential gradient across the material of low permittivity is than across the material of high permittivity. smaller both (A) and (B) None of these greater smaller both (A) and (B) None of these greater ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An electrolytic capacitor is generally made to provide Fixed capacitance Large value of capacitance Variable capacitance Low capacitance Fixed capacitance Large value of capacitance Variable capacitance Low capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because varying voltage produces the charging and dicharging currents charging current can flow discharge current can flow of high peak value varying voltage produces the charging and dicharging currents charging current can flow discharge current can flow of high peak value ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 35 ms 3.5 ms 70.5 ms 352 ms 35 ms 3.5 ms 70.5 ms 352 ms ANSWER DOWNLOAD EXAMIANS APP
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