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 150 joules 50 joules 200 joules 250 joules 150 joules 50 joules 200 joules 250 joules ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The sparking between two electrical contacts can be reduced by inserting a capacitor in parallel with contacts resistance in line capacitor in series with each contact None of these capacitor in parallel with contacts resistance in line capacitor in series with each contact None of these 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 C/R RC R/C 1/RC C/R RC R/C ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance “The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”.The above statement is associated with Kirchhoff's law Faraday’s law Gauss’s law Lenz’s law Kirchhoff's law Faraday’s law Gauss’s law Lenz’s law ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the plate area of a capacitor increases, The capacitance is unaffected The voltage it can withstand increases The capacitance increases The capacitance decreases The capacitance is unaffected The voltage it can withstand increases The capacitance increases The capacitance decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Electric displacement is a______quantity. Vector quantity None of the listed here Scalar quantity Both scalar & vector Vector quantity None of the listed here Scalar quantity Both scalar & vector ANSWER DOWNLOAD EXAMIANS APP
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