Ontario Grade 9 Science Class Practice Exam

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Question: 1 / 50

What is the function of a voltmeter?

To measure current

To measure potential difference

A voltmeter is a device used to measure the potential difference (voltage) between two points in an electrical circuit. It is incorrect to state that the function of a voltmeter is to measure current, resistance, or capacitance because those are different measurements that require different instruments. In summary, the function of a voltmeter is specifically to measure potential difference, making option B the correct answer.

To measure resistance

To measure capacitance

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