Electrostatic and Capacitance Air capacitors are generally available in the range 100 to 500 pF 1 to 20 pF 10 to 400 pF 200 to 300 pF 100 to 500 pF 1 to 20 pF 10 to 400 pF 200 to 300 pF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dissipation factor of a good dielectric is of the order of 2.0 0.002 0.0002 0.2 2.0 0.002 0.0002 0.2 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 Which of the following capacitors will have the least value of breakdown voltage ? Paper Electrolytic Air Mica Paper Electrolytic Air Mica 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 5 times greater than before 25 times larger than before 10 times greater than before 5 times smaller than before 5 times greater than before 25 times larger than before 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 Decreases Remains constant Ceases Increases Decreases Remains constant Ceases Increases ANSWER DOWNLOAD EXAMIANS APP
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