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The device that operates using the magnetic effect of electric current is

Physics
JAMB 2025

The device that operates using the magnetic effect of electric current is

  • A. Rheostat
  • B. Thermostat
  • C. Electric bell
  • D. Carbon microphone
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Correct Answer: Option C
Explanation

Answer: C

An electric bell works using an electromagnet.

There is an explanation video available below.

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Explanation Video

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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now