14. Paul wants to increase the strength of an electromagnet. How would he improve his
electromagnet? Paul should
1. add more dry cells
II. use thicker wire
III. use a core with a bigger diameter
IV. increase the number of turns or coil of wire in a core
A. I and II
b. I and III
C. I, II and III D. I, II and IV
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Answer:
14.b
Explanation:
hope it help/sana po makatulong