Friday
November 28, 2014

Homework Help: Physics

Posted by Jon on Friday, April 11, 2008 at 3:54pm.

1)A 0.050 m long wire is carrying a current of 2.0 A at right angles to a 0.15 T magnetic field. What is the magnitude of the force exerted by the magnetic field on the wire?

F=ILB
(0.050)(2.0)(0.15)
0.015 N

2)Which device is used to measure very small currents?

galvanometer

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