a) True b) False Ans: (b)
a) 1.11 b) 1.57 c) 1.414 d) 0.637 e) 0.707 Ans: (c)
a) 3/4 P b) 2/3 P c) 4/3 P d) 3/2 P Ans: (c)
a) Very high b) Practically zero c) A few thousand ohm d) Close to 10,000 ohms Ans: (b)
a) 5 watts b) 10 watts c) 20 watts d) 100 watts Ans: (c)
a) Increases in each branch b) Is zero in all branches c) Is zero in the highest resistive branch d) Increases in the branch of the lowest resistance Ans: (b)
a) Parallel with each other b) Parallel with the voltage source c) Series with the voltage source d) Series with each other Ans: (d)
a) The same current as in the voltage source b) The same current c) The same IR drop d) An IR drop equal to the applied voltage Ans: (c)
a) 5 volts across a 5 ohm resistance b) 5 volts across two 5 ohm resistance in series c) 5 volts across two 5 ohm resistance in parallel d) 500 volts across a 1 M Ω resistance Ans: (c)
a) Rest of the two bulbs will not light b) All three bulbs will light c) The other two bulbs will light d) There will be heavy current in the main line Ans: (c)
a) 0.1 ohm b) 0.02 ohm c) 0.2 ohm d) 0.05 ohm Ans: (c)
a) Negative b) Zero c) Positive d) About 5 ohms per degree Ans: (c)
a) R.M.S. value of current is greater than the average value b) R.M.S. value of current is less than the average value c) R.M.S. value of the current is to average value d) There is no meaning of r.m.s value and average value for square wave Ans: (c)
a) True b) False Ans: (a)
a) True b) False Ans: (a)