Electrostatic and Capacitance Which of the following capacitors preferred for high frequency circuits ? None of these Air capacitor Electrolytic capacitor Mica capacitor None of these Air capacitor Electrolytic capacitor Mica capacitor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance At a point is equal to the negative potential gradient at that point. Magnetic flux density Magnetic flux Electric flux Electric intensity Magnetic flux density Magnetic flux Electric flux Electric intensity ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance To prevent the generation of static charges on rubber or flat leather Surface is moistened Oil compound dressing is done Talcum powder is sprayed on the surface Conductive dressing is done Surface is moistened Oil compound dressing is done Talcum powder is sprayed on the surface Conductive dressing is done 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? 8 V 800 V 0.88 V 80 V 8 V 800 V 0.88 V 80 V ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The bridge used for the measurement of the value of the capacitance is Schering bridge Hay's bridge Wheastone bridge Maxwell bridge Schering bridge Hay's bridge Wheastone bridge Maxwell bridge ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by R/C RC C/R 1/RC R/C RC C/R 1/RC ANSWER DOWNLOAD EXAMIANS APP