Current Electricity Resistance of a material always decreases if Temperature of material is increased Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more None of these Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Resistance Capacitance Inductance Impedance Resistance Capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Watt-hour Henry Watt Coulomb Watt-hour Henry Watt Coulomb ANSWER DOWNLOAD EXAMIANS APP
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 0.05 kWh 0.005 kWh 5 kWh 5 kWh 0.05 kWh 0.005 kWh 5 kWh 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 With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 10 W 20 W 40 W 60 W 10 W 20 W 40 W 60 W ANSWER DOWNLOAD EXAMIANS APP
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