Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Constantan Copper Carbon Silver Constantan Copper Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Lead Zinc Mercury Copper Lead Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove First electron from the orbit Second electron from the orbit Any electron from the orbit Third electron from the orbit First electron from the orbit Second electron from the orbit Any electron from the orbit Third electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 8 watts 6 watts 4 watts 2 watts 8 watts 6 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
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