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Electrostatics Fundamentals MCQs

Practice Electrostatics Fundamentals MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1
Electromagnetic TheoryElectrostatics Fundamentals

The SI unit of electric charge is?

  • ACoulomb
  • BVolt
  • CAmpere per metre
  • DWeber
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Correct Answer: A. Coulomb
Explanation: The coulomb (C) is the SI unit of electric charge.
Reference: Standard electromagnetic theory: electrostatics fundamentals
Question 2
Electromagnetic TheoryElectrostatics Fundamentals

In electrostatics, the curl of electric field E is?

  • AZero
  • BEqual to charge density
  • CEqual to current density
  • DAlways infinite
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Correct Answer: A. Zero
Explanation: An electrostatic electric field is conservative, hence ∇×E=0.
Reference: Standard electromagnetic theory: electrostatics fundamentals