The maximum indicued emf in a generator is 205rpm is 43.0V. How fast must the rotor of the generator rotate if it's to generate a maximum inducded emf of 55.0V?
The Attempt at a Solution
205r/m*2 (Pi)/ 1rev81min/60s = 21.46rad/s
magnet field isnt given, so how can u solve this?