Electrostatic and Capacitance A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is 250 joules 150 joules 200 joules 50 joules 250 joules 150 joules 200 joules 50 joules ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The sparking between two electrical contacts can be reduced by inserting a None of these capacitor in series with each contact resistance in line capacitor in parallel with contacts None of these capacitor in series with each contact resistance in line capacitor in parallel with contacts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following statements is incorrect ? A wire cable has distributed capacitance between the conductors The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance The stored energy in a capacitor increases with applied voltage A wire cable has distributed capacitance between the conductors The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance The stored energy in a capacitor increases with applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value. 37, final 62, initial 62, final 37, initial 37, final 62, initial 62, final 37, initial ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An electrolytic capacitor is generally made to provide Fixed capacitance Variable capacitance Low capacitance Large value of capacitance Fixed capacitance Variable capacitance Low capacitance Large value of capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors is polarized? Ceramic Plastic-film Electrolytic Mica Ceramic Plastic-film Electrolytic Mica ANSWER DOWNLOAD EXAMIANS APP
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