PERE'S LAW AND FARADAY'S LAW OF INDUCTION

[twgic]

Homework Statement

A bar magnet inserted into a coil of 500 turns produces an induced potential of 1.5 Volts, Determine the potential difference induced when each of the following changes are made

a) a 250 turn coil is used
b) the bar magent is moved twice as fast
c) Three identical magnets are inserted at once, side by side
d) All three of the aboce changes occur together

Homework Equations

The Attempt at a Solution

 

[Andrew Mason]

Perhaps you could start by stating the applicable law of physics (the relationship between emf generated and the time dependent magnetic field). Hint: it is not Lenz' law.

AM