Electrostatic and Capacitance To prevent the generation of static charges on rubber or flat leather Surface is moistened Conductive dressing is done Talcum powder is sprayed on the surface Oil compound dressing is done Surface is moistened Conductive dressing is done Talcum powder is sprayed on the surface Oil compound dressing is done ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the plate area of a capacitor increases, The capacitance is unaffected The capacitance increases The voltage it can withstand increases The capacitance decreases The capacitance is unaffected The capacitance increases The voltage it can withstand increases The capacitance decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When a dielectric is placed in an electric field the field strength Remains same Increase Decrease None of the listed here Remains same Increase Decrease None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors preferred for high frequency circuits ? Air capacitor None of these Mica capacitor Electrolytic capacitor Air capacitor None of these Mica capacitor Electrolytic capacitor 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? 352 ms 35 ms 70.5 ms 3.5 ms 352 ms 35 ms 70.5 ms 3.5 ms 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 Decreases Remains constant Ceases Increases Decreases Remains constant Ceases Increases ANSWER DOWNLOAD EXAMIANS APP