Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 200 V 100 V 50 V 150 V 200 V 100 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 15 ohms 10 ohms 5 ohms 55 ohms 15 ohms 10 ohms 5 ohms 55 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses kWh consumed Input power True component of power Losses kWh consumed Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit Second electron from the orbit Third electron from the orbit First electron from the orbit Any electron from the orbit Second electron from the orbit Third electron from the orbit First electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 64 Q 48 Q 18 Q 36 Q 64 Q 48 Q 18 Q 36 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Conductors Insulators Inductors Semi-conductors Conductors Insulators Inductors ANSWER DOWNLOAD EXAMIANS APP
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