Current Electricity At 0 K, germanium behaves as A conductor An insulator A ferromagnetic substance A superconductor A conductor An insulator A ferromagnetic substance A superconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is There is no relation between current and p. d None of the listed here Partially obeyed Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed Fully obeyed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Remain constant Decrease Increase None of these Remain constant Decrease Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 5 kWh 2 kWh 6 kWh 3.2 kWh 5 kWh 2 kWh 6 kWh 3.2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Decreases Remains constant First increases and then decreases Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Copper Zinc Lead Mercury Copper Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
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