Electrostatic and Capacitance Which of the following capacitors can be used for temperature compensation ? None of these Paper capacitor Ceramic capacitor Air capacitor None of these Paper capacitor Ceramic capacitor Air capacitor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of mica is 10 to 20 kV/mm 50 to 200 kV/mm 300 to 500 kV/mm 30 to 50 kV/mm 10 to 20 kV/mm 50 to 200 kV/mm 300 to 500 kV/mm 30 to 50 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of 8 joules 6 joules 4 joules 2 joules 8 joules 6 joules 4 joules 2 joules ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having Permittivity same as that of air Permittivity slightly more than that of air Low permeability High permeability Permittivity same as that of air Permittivity slightly more than that of air Low permeability High permeability ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Ceases Decreases Increases Remains constant Ceases Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of medium Increases with moisture content Is same for all insulating materials Increases with rise in temperature None of the listed here Increases with moisture content Is same for all insulating materials Increases with rise in temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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