Electric Circuits The current in a chemical cell is a movement of positive and negative ions. positive hole charges. negative ions only. positive ions only. positive and negative ions. positive hole charges. negative ions only. positive ions only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Find the current through 5 Ohm resistor from A to B. -2A. 2A. 1A. -1A. -2A. 2A. 1A. -1A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in none of these. both ‘a’ and ‘b’. magnitude. direction. none of these. both ‘a’ and ‘b’. magnitude. direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 10 A. 15 A. 20 A. 7 A. 10 A. 15 A. 20 A. 7 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is 12.5 W. 100 W. 50 W. 25 W. 12.5 W. 100 W. 50 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Metal alloys constantan and manganin. Brass. Platinum. Tungsten. Metal alloys constantan and manganin. Brass. Platinum. Tungsten. ANSWER DOWNLOAD EXAMIANS APP
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