Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as rise time. decay time. fall time. run time. rise time. decay time. fall time. run time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 0.020. 1.56. 6.24. 3.12. 0.020. 1.56. 6.24. 3.12. 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 3 A. 300 mA. 100 mA. 30 mA. 3 A. 300 mA. 100 mA. 30 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance nR . R / n2. n2 / R. n2R. nR . R / n2. n2 / R. n2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is -2 V. 2 V. 1 V. -1 V. -2 V. 2 V. 1 V. -1 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 200 Ω. 800 Ω. 1600 Ω. 400 Ω. 200 Ω. 800 Ω. 1600 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
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