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 Specific resistance of a substance is measured in None of the listed here Ω/m m/Ω Ω-m None of the listed here Ω/m m/Ω Ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 1000 ohm 10 ohm 25 ohm 200 ohm 1000 ohm 10 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 1.5 1 0.6 0.5 1.5 1 0.6 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent leakage of current Both of the listed here None of above factors To prevent shock To prevent leakage of current Both of the listed here None of above factors To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP