Current Electricity Ampere-hour is the unit of Quantity of electricity Power Energy Strength of current Quantity of electricity Power Energy Strength of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% None of the listed here 0.2% 0.3% 0.4% None of the listed here 0.2% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Moderately good conductor Very good conductor Insulator None of the listed here Moderately good conductor Very good conductor Insulator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Zinc Lead Copper Mercury Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Input power True component of power kWh consumed Losses Input power True component of power kWh consumed Losses 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 Resistance of heater coil is more than the supply wires Current through supply line flows at slower speed Supply wires are made of superior material Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
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