Science
State whether the following statements are true or false.
(a) The field at the center of a long circular coil carrying current will be parallel straight lines.
(b) A wire with a green insulation is usually the live wire of an electric supply.
Electro-Magnetism
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Answer
(a) True
(b) False
Reason — A wire with a green insulation is the earth wire and wires with red insulation is live wire.
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