Current Electricity Which of the following materials has the least resistivity ? Zinc Lead Mercury Copper Zinc Lead Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 9 times 1/9 times 3 times 1/3 times 9 times 1/9 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Remains same Decreases Increases Heater will burn out Remains same Decreases Increases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is None of the listed here Fully obeyed There is no relation between current and p. d Partially obeyed None of the listed here Fully obeyed There is no relation between current and p. d Partially obeyed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from AC supply only Battery supply only All of the listed here DC supply only AC supply only Battery supply only All of the listed here DC supply only ANSWER DOWNLOAD EXAMIANS APP
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