Electrostatic and Capacitance Two series capacitors (one 2 µF, the other of unknown value) are charged from a 24 V source. The 2 µF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is 4 µF 1 µF 8 µF 2 µF 4 µF 1 µF 8 µF 2 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which medium has the least dielectric strength ? Glass Water Air Paraffin wax Glass Water Air Paraffin wax ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is 62 x 105 V/m 92 x 105 V/m 72 x 105 V/m 82 x 105 V/m 62 x 105 V/m 92 x 105 V/m 72 x 105 V/m 82 x 105 V/m 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 discharge current can flow charging current can flow of high peak value varying voltage produces the charging and dicharging currents discharge current can flow charging current can flow of high peak value ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For closer tolerances which of the following capacitors is usually preferred ? None of these Paper capacitor Mica capacitor Ceramic disc capacitor None of these Paper capacitor Mica capacitor Ceramic disc capacitor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value 42 45 37 54 42 45 37 54 ANSWER DOWNLOAD EXAMIANS APP
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