Current Electricity Which of the following materials has the least resistivity ? Mercury Lead Copper Zinc Mercury Lead Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule Five joules One joule second One watt One joule Five joules One joule second ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Power Current Voltage Resistance Power Current Voltage Resistance 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
Current Electricity Conductivity is the reciprocal of None of the listed here Current density Resistivity Resistance None of the listed here Current density Resistivity Resistance ANSWER DOWNLOAD EXAMIANS APP