Electrostatic and Capacitance A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is 24 µs 480 µs 2.42 µs 48 µs 24 µs 480 µs 2.42 µs 48 µs 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 1/RC R/C RC C/R 1/RC R/C RC C/R ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following expression is correct for electric field strength ? None of the listed here E = D2/t E = D/€ E = jtD None of the listed here E = D2/t E = D/€ E = jtD 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 Ceases Remains constant Increases Decreases Ceases Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The ability of charged bodies to exert force on 6ne another is attributed to the existence of neutrons protons electrons electric field neutrons protons electrons electric field 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 2 joules 8 joules 6 joules 4 joules 2 joules 8 joules 6 joules 4 joules ANSWER DOWNLOAD EXAMIANS APP