Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will increase. becomes zero. remains unchanged. decrease. increase. becomes zero. remains unchanged. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect three in series. two in parallel. two in parallel and one in series. three in parallel. three in series. two in parallel. two in parallel and one in series. three in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its both speed and number of poles. number of poles. nature of supply. speed. both speed and number of poles. number of poles. nature of supply. speed. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... None of these negative co-efficient. positive co-efficient. both 1 and 2. None of these negative co-efficient. positive co-efficient. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram 1 mA. 2 mA. 6 mA. 0 mA. 1 mA. 2 mA. 6 mA. 0 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current at full load. Product of voltage and current at no load. Product of voltage and current. Product of rms voltage and rms current. Product of voltage and current at full load. Product of voltage and current at no load. Product of voltage and current. Product of rms voltage and rms current. ANSWER DOWNLOAD EXAMIANS APP