A. 1 Q
B. 2 Q
C. 3 Q
D. 4 Q
Related Mcqs:
- Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross-sectional area has a resistance of 40 ohms the resistance of other conductor will be __________?
- Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be __________?
- Three resistances of 10 ohms, 15 ohms and 30 ohms are connected in parallel. The total resistance of the combination is __________?
- Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes __________?
- If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes __________?
- Two resistors are said to be connected in series when __________?
- Two resistances Rl and Ri are connected in series across the voltage source where Rl>Ri. The largest drop will be across __________?
- With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals __________?
- The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other?
- Resistance of a material always decreases if __________?
