Question

The strength of an electromagnet can be increased by
a) increasing the cross sectional area
b) increasing the number of turns
c)increasing the current
d) all of the above​

Answer 1

Answer:

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.

Answer 2

Answer:

(d) all of the above

Explanation:

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