Current Electricity For which of the following 'ampere second' could be the unit? Charge Power Energy Reluctance Charge Power Energy Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wires are made of superior material Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires 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 40 W 60 W 20 W 10 W 40 W 60 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit 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 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
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