Electrostatic and Capacitance The potential gradient across the material of low permittivity is than across the material of high permittivity. None of these greater both (A) and (B) smaller None of these greater both (A) and (B) smaller ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by RC C/R R/C 1/RC RC C/R R/C 1/RC ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Five time constants are required for a capacitor to charge fully or discharge fully. 1 1 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A field line and an equipotential surface are inclined at any angle 0 None of these always at 90° always parallel inclined at any angle 0 None of these always at 90° always parallel ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which capacitor will be physically smaller for the same ratings ? None of these Ceramic capacitor Paper capacitor Both will be of equal size None of these Ceramic capacitor Paper capacitor Both will be of equal size ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Decreases Remains constant Increases Ceases Decreases Remains constant Increases Ceases ANSWER DOWNLOAD EXAMIANS APP