Electrostatic| Practice MCQs Physics for Mdcat | mosaicbro.com

Electrostatic| Practice MCQs Physics for Mdcat

7 of 93 questions (Page 9 of 14)

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57 Concept of electric field theory was introduced by:
Correct Answer: A
Explanation: Michael Faraday introduced the concept of electric fields.
58 If electrons are added in an atom, it becomes:
Correct Answer: C
Explanation: Adding electrons makes an atom negatively charged.
59 The force per unit charge is known as:
Correct Answer: C
Explanation: Electric intensity is force per unit charge.
60 The law that governs the force between electric changes is called:
Correct Answer: B
Explanation: Coulomb's law describes the force between charges.
61 Which one of the following is the unit of electric charge?
Correct Answer: A
Explanation: The unit of electric charge is the coulomb (C).
62 Which one of the following is the unit of electric field intensity?
Correct Answer: D
Explanation: Electric field intensity is measured in volts per meter (V/m).
63 The force between two electrons separated by a distance r varies as:
Correct Answer: D
Explanation: The force varies inversely with the square of the distance: $F \propto \frac{1}{r^2}$.
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