Electrostatic and Capacitance Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the Voltage across the plates decreases Charge on the capacitor increases Voltage across the plates increases Charge on the capacitor decreases Voltage across the plates decreases Charge on the capacitor increases Voltage across the plates increases Charge on the capacitor 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 107 N 36 x 108 N 36 x 109 N 36 x 10 fa 36 x 107 N 36 x 108 N 36 x 109 N 36 x 10 fa ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is 48 µs 2.42 µs 24 µs 480 µs 48 µs 2.42 µs 24 µs 480 µs 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 ? It will get punctured or cracked Its molecular structure will get changed It will become magnetic It will melt It will get punctured or cracked Its molecular structure will get changed It will become magnetic It will melt ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An electrolytic capacitor is generally made to provide Large value of capacitance Variable capacitance Low capacitance Fixed capacitance Large value of capacitance Variable capacitance Low capacitance Fixed capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Out of the following capacitors of identical rating which one will have the smallest dimensions ? Paper capacitor Mica capacitor Ceramic capacitor Aluminium foil capacitor Paper capacitor Mica capacitor Ceramic capacitor Aluminium foil capacitor ANSWER DOWNLOAD EXAMIANS APP
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