Current Electricity One commercial unit of energy equals One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is of the order of a few ^.s/m nearly 3 x 108 m/s independent of current strength the same as propagation velocity of electric energy of the order of a few ^.s/m nearly 3 x 108 m/s independent of current strength the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 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 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases None of the listed here Decreases Become zero Increases None of the listed here Decreases Become zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Luminous effect Chemical effect Thermal effect Magnetic effect Luminous effect Chemical effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
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