Electrostatic and Capacitance The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value. 37, initial 62, final 62, initial 37, final 37, initial 62, final 62, initial 37, final ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If a third equal and similar charge is placed between two equal and similar charges, then this third charge will be in unstable equilibrium move out of the field of influence of the two charges remain in stable equilibrium not be in equilibrium be in unstable equilibrium move out of the field of influence of the two charges remain in stable equilibrium not be in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is 48 µs 480 µs 24 µs 2.42 µs 48 µs 480 µs 24 µs 2.42 µs ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The minimum value of potential gradient in a cable occurs in outer sheath insulation uniformly all over conductor outer sheath insulation uniformly all over conductor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having Permittivity same as that of air Low permeability High permeability Permittivity slightly more than that of air Permittivity same as that of air Low permeability High permeability Permittivity slightly more than that of air ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 0.01 µF capacitor equals how many picofarads? 100,000 pF 10,000 pF 1,000 pF 100 pF 100,000 pF 10,000 pF 1,000 pF 100 pF ANSWER DOWNLOAD EXAMIANS APP