Question 1
What key principle is demonstrated when a neutral metal sphere is touched by a negatively charged rod and then separated, leaving the sphere with a net negative charge?
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Physics · Unit 1 · Electrical circuits · Current, potential difference and energy flow
Describe the law of conservation of electric charge.
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Question 2
A circuit contains a battery, two resistors in series, and three junctions labelled P, Q and R as shown below. Which statement correctly describes the law of conservation of electric charge at junction Q?
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Question 3
What key principle does the law of conservation of electric charge state?
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