Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 10 W 20 W 60 W 40 W 10 W 20 W 60 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Henry Coulomb Watt-hour Watt Henry Coulomb Watt-hour Watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low Very low High Any value Low Very low High Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Copper Lead Zinc Mercury Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here A conductor An insulator A semiconductor None of the listed here A conductor An insulator A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Negative Zero Positive None of the listed here Negative Zero Positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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