Current Electricity A wire having very high value of conductance is said to be Very good conductor Moderately good conductor None of the listed here Insulator Very good conductor Moderately good conductor None of the listed here Insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Constantan Silver Copper Carbon Constantan Silver Copper 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 0.05 kWh 0.005 kWh 5 kWh 5 kWh 0.05 kWh 0.005 kWh 5 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across None of them Ri Either Rl or Ri Rl None of them Ri Either Rl or Ri Rl ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Electrons Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions Atoms ANSWER DOWNLOAD EXAMIANS APP
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