Electrostatic and Capacitance When the plate area of a capacitor increases, The capacitance is unaffected The capacitance decreases The capacitance increases The voltage it can withstand increases The capacitance is unaffected The capacitance decreases The capacitance increases The voltage it can withstand increases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An electrolytic capacitor is generally made to provide Fixed capacitance Low capacitance Variable capacitance Large value of capacitance Fixed capacitance Low capacitance Variable capacitance Large value of capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage? 800 V 0.88 V 8 V 80 V 800 V 0.88 V 8 V 80 V ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The relative permittivity of free space is given by 100 1 2 10 100 1 2 10 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 8 joules 4 joules 2 joules 6 joules 8 joules 4 joules 2 joules 6 joules ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The value of E within the field due to a point charge can be found with the help of Faraday’s laws None of these Kirchhoff's laws Coulomb’s laws Faraday’s laws None of these Kirchhoff's laws Coulomb’s laws ANSWER DOWNLOAD EXAMIANS APP