Peak EMF in Generator Coil at 90.0 Hz: 0.012V

[ProPatto16]

Homework Statement

A generator has a 170-turn square coil, 5 cm on a side.
Find the peak emf in this coil when it's rotating at 90.0 Hz in Earth's field, 5*10^-5 T
Express your answer to one significant figure and include the appropriate units.

Homework Equations

Emf = NBAw

The Attempt at a Solution

N = 170
B = 5*10^-5
A = 0.05^2 = 0.0025m^2
w = 2*pi*f = 565.49

subbing in, emf = 0.012V




BUT. mastering physics is telling me its wrong.

 

[rl.bhat]

Try 12.0 mV.

 

[ProPatto16]

nope, wrong.

 

[ProPatto16]

nevermind, its 10mV... they don't seem to care for accuracy.