February 23, 2017

Homework Help: physics

Posted by Tri on Friday, June 13, 2008 at 9:00am.

A student thrusts a 0,20T magnet with a cross sectional area of 2.0 cm^2 into a coil of 400 turns in 0,50s. The coil has a resistance of 30 ohms and it is connected in series with a moving coil meter having a resistantace of 170 ohms. What is the average velocity and the current?

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