Electrostatic and Capacitance A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is 30 KV/m 10 KV/m 100 KV/m 50 KV/m 30 KV/m 10 KV/m 100 KV/m 50 KV/m ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Remains constant Ceases Increases Decreases Remains constant Ceases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be 36 x 108 N 36 x 107 N 36 x 109 N 36 x 10 fa 36 x 108 N 36 x 107 N 36 x 109 N 36 x 10 fa ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A condenser suitable for D.C. only is Metallic plate variable gang condenser Poled aluminium electrolytic condenser Oil impregnated paper condenser Metallic paper capacitor Metallic plate variable gang condenser Poled aluminium electrolytic condenser Oil impregnated paper condenser Metallic paper capacitor 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 8 µF 4 µF 1 µF 2 µF 8 µF 4 µF 1 µF 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 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 82 x 105 V/m ANSWER DOWNLOAD EXAMIANS APP
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