Electrostatic and Capacitance The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by C/R R/C RC 1/RC C/R R/C RC 1/RC ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance To prevent the generation of static charges on rubber or flat leather Surface is moistened Talcum powder is sprayed on the surface Conductive dressing is done Oil compound dressing is done Surface is moistened Talcum powder is sprayed on the surface Conductive dressing is done Oil compound dressing is done ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Two series capacitors (one 2 µF, the other of unknown value) are charged from a 24 V source. The 2 µF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is 1 µF 2 µF 8 µF 4 µF 1 µF 2 µF 8 µF 4 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 70.5 ms 35 ms 3.5 ms 352 ms 70.5 ms 35 ms 3.5 ms 352 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dielectric constant of glass is given by 5 to 100 0.1 to 0.4 None of the listed here 2 to 4 5 to 100 0.1 to 0.4 None of the listed here 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The force between two charges is 120 N. If the distance between the charges is doubled, the force will be 30 N 40 N 60 N 120 N 30 N 40 N 60 N 120 N ANSWER DOWNLOAD EXAMIANS APP