Q. The strength of an electromagnet can be increased by
A) increasing current supply
B) increasing the length of the coiled wire
C) All of the above
D) increasing the number of turns
โ Correct Answer: All of the above
Exam Insight
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A) increasing current supply
B) increasing the length of the coiled wire
C) All of the above
D) increasing the number of turns
โ Correct Answer: All of the above
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