Electrostatic and Capacitance The potential gradient across the material of low permittivity is than across the material of high permittivity. smaller greater both (A) and (B) None of these smaller greater both (A) and (B) None of these 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 C/R 1/RC RC R/C C/R 1/RC RC ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the voltage across a capacitor is tripled, the stored charge Triples Is cut to one-third Doubles Stays the same Triples Is cut to one-third Doubles Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the plate area of a capacitor increases, The capacitance is unaffected The voltage it can withstand increases The capacitance decreases The capacitance increases The capacitance is unaffected The voltage it can withstand increases The capacitance decreases The capacitance increases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The breakdown voltage for paper capacitors is usually 20 to 60 volts 200 to 1600 volts more than 10000 volts 2000 to 3000 volts 20 to 60 volts 200 to 1600 volts more than 10000 volts 2000 to 3000 volts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of medium Is same for all insulating materials None of the listed here Increases with moisture content Increases with rise in temperature Is same for all insulating materials None of the listed here Increases with moisture content Increases with rise in temperature ANSWER DOWNLOAD EXAMIANS APP