31. Water cannot be used to extinguish fire caused by electric current because it may
32. A current of 0.75A is drawn by a filament of an electric bulb in 9 minutes. Find the amount of electric charge flowing through the current.
33. A good conductor while carrying current is
34. Lightning is caused due to electric
35. . . . . . . . . commonly used in electro-heating devices.
36. Generator is a device which converts . . . . . . . .
37. Electrical fuse is based on which of the following?
38. Why the batteries are used in electrical circuits?
39. A dynamo which is said to generate electricity actually acts as a
40. What will be the resultant resistance of a circuit that has three resistors of each 25 Ω in series?
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