【Daily Topic】【Electrical Edition 20170418】

2017-04-18View Original

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Participation reward: 2 Wealth. Correct reward: 6 wealth. Multiple-choice question: Compared to the coil of a current relay, what is a characteristic of the coil of a voltage relay? ( ) A. The voltage relay coil is connected in series with the circuit being tested. B. The voltage relay coil has a large number of turns, thin wires, and high resistance. C. The voltage relay coil has few turns, thick wires, and low resistance. D. The voltage relay coil has few turns, thick wires, and high resistance. B

Reply #22017-04-18

B. The voltage relay coil has a large number of turns, thin wires, and high resistance.

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【Daily Topic】【Electrical Edition 20170418】

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