Electrostatic and Capacitance The dielectric constant (relative permittivity) of glass is given by 5 to 100 2.0 to 4.0 0.1 to 0.4 0.5 to 1.0 5 to 100 2.0 to 4.0 0.1 to 0.4 0.5 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An uncharged capacitor and a 1 kΩ resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is 2 V 6 V 3 V 0 V 2 V 6 V 3 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will None of the listed here Remain same Decrease Increase None of the listed here Remain same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of medium None of the listed here Is same for all insulating materials Increases with rise in temperature Increases with moisture content None of the listed here Is same for all insulating materials Increases with rise in temperature Increases with moisture content ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ? It will get punctured or cracked It will melt It will become magnetic Its molecular structure will get changed It will get punctured or cracked It will melt It will become magnetic Its molecular structure will get changed ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The units of capacitance are Hennry Hennry/wb Coulomb/volt Volt/coulomb Hennry Hennry/wb Coulomb/volt Volt/coulomb ANSWER DOWNLOAD EXAMIANS APP