- #1
stryker123
- 11
- 0
Homework Statement
A coil of 15 turns and radius 10cm surrounds a long solenoid of radius 2cm and 1x10^3 turns/m. The current in the solenoid changes as I = (5A)sin(120t). Find the induced emf in the 15-turn coil as a function of time.
Homework Equations
emf = -Nd[flux]/dt
d[flux] = int[B*dA]
The Attempt at a Solution
I have no idea how to start this. I tried doing some basic problems, but I just do not understand any of it.