Electrostatic and Capacitance The breakdown voltage for paper capacitors is usually more than 10000 volts 2000 to 3000 volts 20 to 60 volts 200 to 1600 volts more than 10000 volts 2000 to 3000 volts 20 to 60 volts 200 to 1600 volts ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is 4.68 Ω 23.41 Ω 46.8 Ω 11.70 Ω 4.68 Ω 23.41 Ω 46.8 Ω 11.70 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be 36 x 10 fa 36 x 108 N 36 x 107 N 36 x 109 N 36 x 10 fa 36 x 108 N 36 x 107 N 36 x 109 N ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For closer tolerances which of the following capacitors is usually preferred ? Ceramic disc capacitor Mica capacitor Paper capacitor None of these Ceramic disc capacitor Mica capacitor Paper capacitor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric strength of medium Increases with moisture content Is same for all insulating materials None of the listed here Increases with rise in temperature Increases with moisture content Is same for all insulating materials None of the listed here Increases with rise in temperature ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage? 0.88 V 8 V 80 V 800 V 0.88 V 8 V 80 V 800 V ANSWER DOWNLOAD EXAMIANS APP