41. When you walk on a woolen carpet and bring your finger near the metallic handle of a door, an electric shock is produced. This is because
42. . . . . . . . . across the ends of a resistance is directly proportional to the current flowing throught it, provided its temperature remains the same.
43. If the three resistors of 10 Ω, 8 Ω and 7 Ω are connected in series order, then the effective resistance in the circuit will be . . . . . . .
44. The device which works on the principle of electromagnetic induction is
45. Which of the following is not true about electromagnetic?
46. Resistance (R) = Voltage (V) / . . . . . . . .
47. The electric motor transforms . . . . . . . .
48. A permanent magnet repels
49. The value of electromotive force (ε) is equal to-
50. The fuse in an electric circuit is connected in
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