Electrostatic and Capacitance The unit of dielectric strength is given by m/V V/m m/V2 V2/m m/V V/m m/V2 V2/m ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased VC > VR VR = VC VR > VC VR and VC = 0 VC > VR VR = VC VR > VC VR and VC = 0 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following statements is incorrect ? The stored energy in a capacitor increases with applied voltage The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance A wire cable has distributed capacitance between the conductors The stored energy in a capacitor increases with applied voltage The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance A wire cable has distributed capacitance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The force between two charges is 120 N. If the distance between the charges is doubled, the force will be 120 N 40 N 30 N 60 N 120 N 40 N 30 N 60 N ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If three 15 uF capacitors are connected in series, the net capacitance is 15 uF 5 uF 20 uF 10 uF 15 uF 5 uF 20 uF 10 uF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is 2.43 µF 100 µF 4.86 µF 152 µF 2.43 µF 100 µF 4.86 µF 152 µF ANSWER DOWNLOAD EXAMIANS APP
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