PHYSICS · Multi-part · CBSE · Physics · Alternating Current · Alternating Current
Problem
The induced emf, ε , from a rotating coil in a magnetic field can be expressed as ε=ε0sinωt . If the coil provides a complete path for a current to flow, an induced current, I , is given by I=I0sinωt .
(a) What is the mean voltage being generated?
(b) What is the mean current flowing?
(c) Give an expression for the power being generated as a function of time.
(d) State the mean power being generated.