Electrostatic and Capacitance Dielectric strength of mica is 10 to 20 kV/mm 30 to 50 kV/mm 50 to 200 kV/mm 300 to 500 kV/mm 10 to 20 kV/mm 30 to 50 kV/mm 50 to 200 kV/mm 300 to 500 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A region around a stationary electric charge has An electric field Both Electric & Magnetic A magnetic field None of the listed here An electric field Both Electric & Magnetic A magnetic field None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The breakdown voltage for paper capacitors is usually more than 10000 volts 20 to 60 volts 200 to 1600 volts 2000 to 3000 volts more than 10000 volts 20 to 60 volts 200 to 1600 volts 2000 to 3000 volts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance What is the capacitance when Q = 60 µC and V = 12 V? 50 µF 720 µF 12 µF 5 µF 50 µF 720 µF 12 µF 5 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Mica capacitors are characterised by all of the following except low leakage reactance stable operation accurate value low losses low leakage reactance stable operation accurate value low losses ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors preferred for high frequency circuits ? Electrolytic capacitor None of these Air capacitor Mica capacitor Electrolytic capacitor None of these Air capacitor Mica capacitor ANSWER DOWNLOAD EXAMIANS APP