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 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 5 times greater than before ANSWER DOWNLOAD EXAMIANS APP
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 50 joules 200 joules 150 joules 250 joules 50 joules 200 joules 150 joules 250 joules ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For which of the following parameter variation, the capacitance of the capacitor remains unaffected ? Thickness of the plates Distance between plates Area of the plates Nature of dielectric Thickness of the plates Distance between plates Area of the plates Nature of dielectric ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 2 µF, a 4 µF, and a 10 µF capacitor are connected in series. The total capacitance is less than 10 µF 4 µF 1.5 µF 2 µF 10 µF 4 µF 1.5 µF 2 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Electric intensity at any point in an electric field is equal to the at that point. magnetic flux density electric flux potential gradient None of these magnetic flux density electric flux potential gradient None of these ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value 37 45 54 42 37 45 54 42 ANSWER DOWNLOAD EXAMIANS APP
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