Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power kWh consumed Losses Input power True component of power kWh consumed Losses Input power 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 Remains same Decreases Increases Heater will burn out Remains same Decreases Increases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule second One joule Five joules One watt One joule second One joule Five joules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 484 ft 4840 Q 4.84 Q 48.4 Q 484 ft 4840 Q 4.84 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Capacity Charge Potential None of the listed here Capacity Charge Potential None of the listed here 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? 150 V 50 V 100 V 200 V 150 V 50 V 100 V 200 V ANSWER DOWNLOAD EXAMIANS APP
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