Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having Permittivity slightly more than that of air Permittivity same as that of air Low permeability High permeability Permittivity slightly more than that of air Permittivity same as that of air Low permeability High permeability ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the Voltage across the plates decreases Voltage across the plates increases Charge on the capacitor increases Charge on the capacitor decreases Voltage across the plates decreases Voltage across the plates increases Charge on the capacitor increases Charge on the capacitor decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 70.5 ms 352 ms 35 ms 3.5 ms 70.5 ms 352 ms 35 ms 3.5 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For closer tolerances which of the following capacitors is usually preferred ? Paper capacitor Mica capacitor Ceramic disc capacitor None of these Paper capacitor Mica capacitor Ceramic disc capacitor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Four 0.15 µF capacitors are in parallel. The total capacitance is 0.15 µF 0.8 µF 0.30 µF 0.6 µF 0.15 µF 0.8 µF 0.30 µF 0.6 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Capacitors are mainly used for radio frequency tuning. Electrolytic Paper Mica Air Electrolytic Paper Mica Air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS