Ontario Grade 9 Science Class Practice Exam

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Question: 1 / 125

What is an electric circuit?

A break in which electrons can flow

A continuous path in which electrons can flow

An electric circuit is a complete path through which an electric current can flow. Choice A is incorrect because a circuit is not a break, but rather a connected pathway for electrons to follow. Choice C is incorrect because a circuit can allow electrons to flow in both directions, not just one. Choice D is incorrect because a circuit can carry both alternating current and direct current. Therefore, the correct answer is B.

A one-way path for electron flow

A path only for alternating current

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