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Class 12 Physics Practice Test: Electromagnetic Induction - Lenz's Law and Conservation of Energy
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Class 12 Physics Practice Test: Electromagnetic Induction - Lenz's Law and Conservation of Energy
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8 Questions

1. Which of the following statement is valid?
2. The current in a wire passing normally through the center of a conducting loop is increasing at a constant rate. What is the net current induced in the loop?
3. Which law is used in finding the direction of current in an a.c. generator?
4. Which of the following is found using Lenz’s law?
5. ‘X’ states that the direction of induced current in a circuit is such that it opposes the cause or the change which produces it. Identify X.
6. Identify the law used to find the direction of eddy currents.
7. A closed-loop move normal to the constant electric field between the plates of a large capacitor. What is the amount of current produced when it is wholly inside the region between the capacitor plates?
8. Lenz’s law is invalid. State true or false.

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