35 11. The electric field at a point situated at a distance d from straight charged conductor is (a) proportional to d (b) inversely proportional to d (c) inversely proportional to d (d) none of the above Answer: (c) inversely proportional to d 35 12 __________ is the common method of applying brushes to the commntator. (a) Radial (b) Reaction (c) Trailing (d) All of the above Answer: (d) All of the above 35 13. An open coil has (a) zero resistance and inductance (b) zero resistance and high inductance (c) infinite resistance and normal inductance
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