Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having High permeability Permittivity same as that of air Low permeability Permittivity slightly more than that of air High permeability Permittivity same as that of air Low permeability Permittivity slightly more than that of air ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because varying voltage produces the charging and dicharging currents discharge current can flow of high peak value charging current can flow varying voltage produces the charging and dicharging currents discharge current can flow of high peak value charging current can flow ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A dielectric material must be Good conductor Resistor Insulator Semi conductor Good conductor Resistor Insulator Semi conductor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The sparking between two electrical contacts can be reduced by inserting a None of these capacitor in series with each contact resistance in line capacitor in parallel with contacts None of these capacitor in series with each contact resistance in line capacitor in parallel with contacts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance In a cable capacitor, voltage gradient is maximum at the surface of the Sheath Conduction Earth Insulator Sheath Conduction Earth Insulator ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If three 10 uF capacitors are connected in parallel, the net cararitance is 15 uF 20 uF 40 uF 30 uF 15 uF 20 uF 40 uF 30 uF ANSWER DOWNLOAD EXAMIANS APP