Electrostatic and Capacitance While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is Open-circuit Alright Short-circuit Leaky Open-circuit Alright Short-circuit Leaky ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is 82 x 105 V/m 62 x 105 V/m 92 x 105 V/m 72 x 105 V/m 82 x 105 V/m 62 x 105 V/m 92 x 105 V/m 72 x 105 V/m ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ? Its molecular structure will get changed It will melt It will get punctured or cracked It will become magnetic Its molecular structure will get changed It will melt It will get punctured or cracked It will become magnetic ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The relative permittivity of free space is given by 2 1 10 100 2 1 10 100 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dielectric constant is the ability of a material to establish an electric field. 1 1 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 352 ms 3.5 ms 70.5 ms 35 ms 352 ms 3.5 ms ANSWER DOWNLOAD EXAMIANS APP