MCQ'S -- We can strengthen electromagnets by increasing _______ of the coil.
(a) Width (b) Winding (c) Both a. and b. (d) None of these.
Please answer the question correctly.
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Answer:
Correct answer is c) Both a and b.
Explanation:
You can make an electromagnet stronger by doing these things: wrapping the coil around a piece of iron (such as an iron nail) adding more turns to the coil. increasing the current flowing through the coil.
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