Electric Circuits What will be the rms value of rectangular wave with amplitude 10 V? 5√2 V. 7.7 V. 10 V. 11.2 V. 5√2 V. 7.7 V. 10 V. 11.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will decrease. increase. remains unchanged. becomes zero. decrease. increase. remains unchanged. becomes zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mica capacitor are characterised by all of following except low losses. low leakage reactance. stable operation. accurate value. low losses. low leakage reactance. stable operation. accurate value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as fall time. run time. decay time. rise time. fall time. run time. decay time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F εr. εr/F. 0. F. F εr. εr/F. 0. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 20 microfarad. 3.2 microfarad. 8 microfarad. 1 microfarad. 20 microfarad. 3.2 microfarad. 8 microfarad. 1 microfarad. ANSWER DOWNLOAD EXAMIANS APP