Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Capacitance Inductance Resistance Impedance Capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Increases Heater will burn out Remains same Decreases Increases Heater will burn out Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is There is no relation between current and p. d Partially obeyed Fully obeyed None of the listed here There is no relation between current and p. d Partially obeyed Fully obeyed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times 9 times 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will None of the listed here Become zero Increases Decreases None of the listed here Become zero Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 100 V 150 V 50 V 200 V 100 V 150 V 50 V ANSWER DOWNLOAD EXAMIANS APP