Question

TEST-1
Section-A
Very short answer question. (10) Points.

1. Which device is normally used to open or close an electric circuit?

2. If a magnet is broken into pieces, how many poles does each piece have? ​

Answer 1

Explanation:

1 Switch

2 Two poles

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Answer 2

Explanation:

1) switch

A device designed to open or close a circuit under controlled conditions is called a switch. The terms “open” and “closed” refer to switches as well as entire circuits. An open switch is one without continuity: current cannot flow through it.

2)