Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% 0.2% None of the listed here 0.3% 0.4% 0.2% None of the listed here 0.3% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As heating elements To suppress surges As current stabilizers For inductive circuits As heating elements To suppress surges As current stabilizers For inductive circuits 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 1/3 times 9 times 3 times 1/9 times 1/3 times 9 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Ri Either Rl or Ri Rl None of them Ri Either Rl or Ri Rl None of them ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP
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