JAMB Physics 2022 Objective — Question 31
Question 31 of 41 from the Joint Admissions and Matriculation Board (JAMB) Physics 2022 Objective paper, with the correct answer and a full explanation.
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Capacitors used in induction coil to:
- A. dissipate energy
- B. control emf
- C. prevent electric sparksCorrect
- D. distort electric fields
Explanation
Capacitor absorbs back-EMF, preventing sparks at contacts.
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