Current Electricity Specific resistance of a substance is measured in Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω 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 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Zero None of the listed here Positive Negative Zero None of the listed here Positive Negative 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
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.4 ohm 0.6 ohm 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
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