Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low Very low Any value High Low Very low Any value High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Positive Zero Negative None of the listed here Positive Zero Negative 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 0.005 kWh 5 kWh 5 kWh 0.05 kWh 0.005 kWh 5 kWh 5 kWh 0.05 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 2 watts 8 watts 4 watts 6 watts 2 watts 8 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
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