Ontario Grade 9 Science Practice Exam 2025 – Complete Study Resource

Question: 1 / 400

What is the purpose of grounding an object?

To give it a positive electric charge

To ensure it can hold more electrons

To connect it to a large body capable of removing an electric charge

Grounding an object involves connecting it to a large body, such as the Earth, that can easily absorb and remove electric charges. This helps to prevent dangerous buildup of excess charges that can cause damage or pose a safety hazard. Options A and B are incorrect because grounding does not involve adding or storing electric charges, but rather removing them. Option D is incorrect as grounding actually involves connecting an object, rather than isolating it. It is important to ground objects to ensure their safety and prevent potential hazards caused by electric charges.

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To isolate it from its surrounding environment

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