Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Insulators Inductors Semi-conductors Conductors Insulators Inductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Input power kWh consumed Losses True component of power Input power kWh consumed Losses True component of power 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 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Copper Cast iron Tungsten Carbon Copper Cast iron Tungsten Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A conductor A ferromagnetic substance A superconductor An insulator A conductor A ferromagnetic substance A superconductor An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided Both of the listed here To prevent shock To prevent leakage of current None of above factors Both of the listed here To prevent shock To prevent leakage of current None of above factors ANSWER DOWNLOAD EXAMIANS APP
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