February 28, 2017

Homework Help: Physics

Posted by Valerie on Sunday, March 24, 2013 at 3:02pm.

In Oersted's experiment, suppose that the compass was 0.30 m from the current-carrying wire. If a magnetic field of 1/3 the Earth's magnetic field of 5 10−5 T was required to give a noticeable deflection of the compass needle, what current must the wire have carried? I really need some help on this.

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