Electrostatic and Capacitance A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is 170 Ω 17 Ω 1.7 Ω 0.000169 Ω 170 Ω 17 Ω 1.7 Ω 0.000169 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The breakdown voltage for paper capacitors is usually 2000 to 3000 volts 20 to 60 volts 200 to 1600 volts more than 10000 volts 2000 to 3000 volts 20 to 60 volts 200 to 1600 volts more than 10000 volts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following statements is incorrect ? The stored energy in a capacitor decreases with reduction in value of capacitance A wire cable has distributed capacitance between the conductors The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor increases with applied voltage The stored energy in a capacitor decreases with reduction in value of capacitance A wire cable has distributed capacitance between the conductors The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor increases with applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the plate area of a capacitor increases, The capacitance increases The capacitance is unaffected The voltage it can withstand increases The capacitance decreases The capacitance increases The capacitance is unaffected The voltage it can withstand increases The capacitance decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is 2.42 µs 480 µs 24 µs 48 µs 2.42 µs 480 µs 24 µs 48 µs ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is 0.6 F 0.12 F 0.024 F 0.8 F 0.6 F 0.12 F 0.024 F 0.8 F ANSWER DOWNLOAD EXAMIANS APP