February 28, 2017

Homework Help: Physics again sorry

Posted by Jill on Monday, April 26, 2010 at 8:37pm.

A solenoid of 200 loops of wire that cover a length of 0.1 m. The solenoid carries a current of 4.0 A. What is the strength of the magnetic field inside the solenoid?

In this instance do I assume that this time r is 200 x 0.1? Or is it still just 0.1 and I ignore the 200?

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