Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Brass. Metal alloys constantan and manganin. Platinum. Tungsten. Brass. Metal alloys constantan and manganin. Platinum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 30 mA. 3 A. 100 mA. 300 mA. 30 mA. 3 A. 100 mA. 300 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is a few watt. maximum power. zero watt. 100 watt. a few watt. maximum power. zero watt. 100 watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Paper. Germanium. Rubber. Gold. Paper. Germanium. Rubber. Gold. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Lead acid. Silver oxide. Carbon Zinc. Mercury oxide. Lead acid. Silver oxide. Carbon Zinc. Mercury oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For ideal tank circuit what is the value of dynamic impedance? None of these Both ∞ 0 None of these Both ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
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