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ECAT - Practice Test - Physics - Electromagnetism Quiz

Attempt 10 MCQs on ECAT - Practice Test - Physics - Electromagnetism | Quiz 2

11. What does Lenz's law state?



12. What is the formula for induced EMF in a coil?



13. What principle does a transformer work on?



14. What is the voltage ratio in a transformer?



15. What is the power relationship in an ideal transformer?



16. What is the RMS voltage in terms of peak voltage?



17. What is the AC frequency in Pakistan?



18. What does a galvanometer do?



19. Which rule gives the direction of magnetic field around a current-carrying wire?



20. What is the force between two parallel wires with currents in the same direction?



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