Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Decreases Ceases Remains constant Increases Decreases Ceases Remains constant Increases 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 2 µF 4 µF 8 µF 1 µF 2 µF 4 µF 8 µF 1 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which capacitor will be physically smaller for the same ratings ? Both will be of equal size Ceramic capacitor Paper capacitor None of these Both will be of equal size Ceramic capacitor Paper capacitor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Five time constants are required for a capacitor to charge fully or discharge fully. 1 1 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance To prevent the generation of static charges on rubber or flat leather Oil compound dressing is done Conductive dressing is done Surface is moistened Talcum powder is sprayed on the surface Oil compound dressing is done Conductive dressing is done Surface is moistened Talcum powder is sprayed on the surface ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 10 times greater than before 5 times smaller than before 25 times larger than before 5 times greater than before 10 times greater than before 5 times smaller than before 25 times larger than before 5 times greater than before ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS