Current Electricity The flow of current in solids is due to Atoms Nucleus Electrons Electrons and ions Atoms Nucleus Electrons Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 50 V 200 V 150 V 100 V 50 V 200 V 150 V 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 0.05 kWh 5 kWh 0.005 kWh 5 kWh 0.05 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Zinc Lead Mercury Copper Zinc Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The lowest resistance has the highest voltage drop The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest current The lowest resistance has the highest voltage drop The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest current ANSWER DOWNLOAD EXAMIANS APP