Electrostatic and Capacitance Air capacitors are generally available in the range 100 to 500 pF 200 to 300 pF 10 to 400 pF 1 to 20 pF 100 to 500 pF 200 to 300 pF 10 to 400 pF 1 to 20 pF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of medium Increases with moisture content Is same for all insulating materials None of the listed here Increases with rise in temperature Increases with moisture content Is same for all insulating materials None of the listed here Increases with rise in temperature 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 of high peak value charging current can flow discharge current can flow varying voltage produces the charging and dicharging currents of high peak value charging current can flow discharge current can flow varying voltage produces the charging and dicharging currents ANSWER DOWNLOAD EXAMIANS APP
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, initial 37, final 62, final 37, initial 62, initial 37, final 62, final ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following expression is correct for electric field strength ? None of the listed here E = D/€ E = D2/t E = jtD None of the listed here E = D/€ E = D2/t E = jtD ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of 6 joules 4 joules 8 joules 2 joules 6 joules 4 joules 8 joules 2 joules ANSWER DOWNLOAD EXAMIANS APP