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 become magnetic It will get punctured or cracked Its molecular structure will get changed It will melt It will become magnetic It will get punctured or cracked Its molecular structure will get changed It will melt ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Out of the following capacitors of identical rating which one will have the smallest dimensions ? Ceramic capacitor Paper capacitor Mica capacitor Aluminium foil capacitor Ceramic capacitor Paper capacitor Mica capacitor Aluminium foil capacitor 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 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 10 times greater than before 5 times smaller than before ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For which of the following parameter variation, the capacitance of the capacitor remains unaffected ? Nature of dielectric Distance between plates Area of the plates Thickness of the plates Nature of dielectric Distance between plates Area of the plates Thickness of the plates ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For a good 0.05 uF capacitor ohmmeter reading should not move at all show low resistance momentarily and back off to a very high resistance go quickly to 50 ohm approximately and remain there show high resistance momentarily and then a very low resistance not move at all show low resistance momentarily and back off to a very high resistance go quickly to 50 ohm approximately and remain there show high resistance momentarily and then a very low resistance ANSWER DOWNLOAD EXAMIANS APP
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