Electrostatic and Capacitance Capacitance increases with Increase in plate area and distance between the plates Reduction in plate area and distance between the plates Decrease in plate area and value of applied voltage Increase in plate area and decrease in distance between the plates Increase in plate area and distance between the plates Reduction in plate area and distance between the plates Decrease in plate area and value of applied voltage Increase in plate area and decrease in distance between the plates ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dissipation factor of a good dielectric is of the order of 0.2 0.002 0.0002 2.0 0.2 0.002 0.0002 2.0 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by 1/RC R/C C/R RC 1/RC R/C C/R RC ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is 4.68 Ω 46.8 Ω 11.70 Ω 23.41 Ω 4.68 Ω 46.8 Ω 11.70 Ω 23.41 Ω 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 It will become magnetic 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 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is 0.8 s 0.6 s 1.2 s 0.4 s 0.8 s 0.6 s 1.2 s 0.4 s ANSWER DOWNLOAD EXAMIANS APP