Current Electricity | Practice MCQs Physics for Mdcat | mosaicbro.com

Current Electricity | Practice MCQs Physics for Mdcat

7 of 85 questions (Page 1 of 13)

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1 Rate of flow of charge through the surface is known as:
Correct Answer: B
Explanation: The rate of flow of charge is defined as electric current.
2 The SI unit of current is:
Correct Answer: C
Explanation: The SI unit of current is Ampere (A).
3 Free electrons are:
Correct Answer: A
Explanation: Free electrons are loosely bound and can move freely in conductors.
4 In liquids and gases, the current is due to the motion of:
Correct Answer: C
Explanation: In liquids and gases, current is due to the motion of both positive and negative charges (ions).
5 Conventional current (I) is due to the motion of:
Correct Answer: A
Explanation: Conventional current is defined as the flow of positive charge, opposite to electron flow.
6 The direction of conventional current in a circuit is:
Correct Answer: B
Explanation: Conventional current flows from the positive terminal to the negative terminal.
7 One advantage of conventional direction of current is that current flows from:
Correct Answer: A
Explanation: Current flows from high potential to low potential, which aligns with energy dissipation.
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