What happens to the induced electric current if the number of loops is increased from one to three?

a. it stays the same.
b. it doubles in magnitude.
c. it triples in magnitude.
d. it decreases by a factor of three.
e. it decreases by a factor of two.

What happens to the induced electric current if the number of loops is increased from one to three is that It decreases by a factor of three. The answer is D. 

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Efficiency is an action of doing something. for example when you take a test. good efficiency means you did well but bad effeciency or no effiency means you did bad.

No because scientist are still changing there mines today so they are not correct to this day