Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them increases. copper decreases and germanium increases. each of them decreases. copper increases and germanium decreases. each of them increases. copper decreases and germanium increases. each of them decreases. copper increases and germanium decreases. 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 300 mA. 100 mA. 30 mA. 3 A. 300 mA. 100 mA. 30 mA. 3 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. open circuited. replaced by a shunt resistance. short circuited. replaced by a series resistance. open circuited. replaced by a shunt resistance. short circuited. replaced by a series resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Paper. Gold. Rubber. Germanium. Paper. Gold. Rubber. Germanium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be 2 kΩ, 1 W. 2 kΩ, 0.5 W. 0.5 kΩ, 2 W. 1 kΩ, 1 W. 2 kΩ, 1 W. 2 kΩ, 0.5 W. 0.5 kΩ, 2 W. 1 kΩ, 1 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just above the resonance frequency? Lagging Unity Zero Leading Lagging Unity Zero Leading ANSWER DOWNLOAD EXAMIANS APP
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