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? 3.5 ms 70.5 ms 352 ms 35 ms 3.5 ms 70.5 ms 352 ms 35 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The relative permittivity has the following units m/F no units F/m Wb/m m/F no units F/m Wb/m ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A condenser suitable for D.C. only is Metallic plate variable gang condenser Oil impregnated paper condenser Metallic paper capacitor Poled aluminium electrolytic condenser Metallic plate variable gang condenser Oil impregnated paper condenser Metallic paper capacitor Poled aluminium electrolytic condenser ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following statements is incorrect ? The stored energy in a capacitor increases with applied voltage A wire cable has distributed capacitance between the conductors The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance The stored energy in a capacitor increases with applied voltage A wire cable has distributed capacitance between the conductors The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitor is preferred in case of single phase motor ? Electrolytic Mica Paper Air Electrolytic Mica Paper Air ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dielectric constant (relative permittivity) of glass is given by 2.0 to 4.0 0.1 to 0.4 5 to 100 0.5 to 1.0 2.0 to 4.0 0.1 to 0.4 5 to 100 0.5 to 1.0 ANSWER DOWNLOAD EXAMIANS APP