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 10 times greater than before 25 times larger than before 5 times smaller than before 5 times greater than before 10 times greater than before 25 times larger than before 5 times smaller than before 5 times greater than before ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 70.5 ms 3.5 ms 352 ms 35 ms 70.5 ms 3.5 ms 352 ms 35 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following materials has the highest value of dielectric constant? Mica Ceramic Glass Paper Mica Ceramic Glass Paper ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Five time constants are required for a capacitor to charge fully or discharge fully. 1 1 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 true power in a capacitor is zero. 1 1 ANSWER DOWNLOAD EXAMIANS APP
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