Electrostatic and Capacitance The dielectric constant (relative permittivity) of glass is given by 0.5 to 1.0 2.0 to 4.0 5 to 100 0.1 to 0.4 0.5 to 1.0 2.0 to 4.0 5 to 100 0.1 to 0.4 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 RC R/C 1/RC C/R RC R/C 1/RC C/R ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The ohmmeter reading for a short circuited capacitor is Zero Infinity Few kilo ohm None of the listed here Zero Infinity Few kilo ohm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance What is the capacitance when Q = 60 µC and V = 12 V? 50 µF 5 µF 12 µF 720 µF 50 µF 5 µF 12 µF 720 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Out of the following capacitors of identical rating which one will have the smallest dimensions ? Aluminium foil capacitor Ceramic capacitor Mica capacitor Paper capacitor Aluminium foil capacitor Ceramic capacitor Mica capacitor Paper capacitor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is 250 joules 50 joules 150 joules 200 joules 250 joules 50 joules 150 joules 200 joules ANSWER DOWNLOAD EXAMIANS APP