Electrostatic and Capacitance The breakdown voltage for paper capacitors is usually 200 to 1600 volts 20 to 60 volts more than 10000 volts 2000 to 3000 volts 200 to 1600 volts 20 to 60 volts more than 10000 volts 2000 to 3000 volts 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 4 joules 2 joules 6 joules 8 joules 4 joules 2 joules 6 joules 8 joules 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 R/C 1/RC RC C/R R/C 1/RC RC C/R ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them all in series all in parallel two in series and third in parallel across this combination two in parallel and third in series with this combination all in series all in parallel two in series and third in parallel across this combination two in parallel and third in series with this combination ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An electrolytic capacitor is generally made to provide Variable capacitance Fixed capacitance Low capacitance Large value of capacitance Variable capacitance Fixed capacitance Low capacitance Large value of capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors preferred for high frequency circuits ? Air capacitor Electrolytic capacitor None of these Mica capacitor Air capacitor Electrolytic capacitor None of these Mica capacitor ANSWER DOWNLOAD EXAMIANS APP