Electrostatic and Capacitance Which medium has the least dielectric strength ? Air Paraffin wax Water Glass Air Paraffin wax Water Glass ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The sparking between two electrical contacts can be reduced by inserting a capacitor in series with each contact None of these resistance in line capacitor in parallel with contacts capacitor in series with each contact None of these resistance in line capacitor in parallel with contacts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The electric field at a point situated at a distance d from straight charged conductor is Inversely proportional to d None of the listed here proportional to d Inversely proportional to d Inversely proportional to d None of the listed here proportional to d Inversely proportional to d 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 Remains constant Ceases Decreases Increases Remains constant Ceases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of medium Increases with moisture content None of the listed here Is same for all insulating materials Increases with rise in temperature Increases with moisture content None of the listed here Is same for all insulating materials Increases with rise in temperature ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is 170 Ω 0.000169 Ω 17 Ω 1.7 Ω 170 Ω 0.000169 Ω 17 Ω 1.7 Ω ANSWER DOWNLOAD EXAMIANS APP