An ac generator contains 80 flat rectangular loops of wire, each ...

[amal]

An ac generator contains 80 flat rectangular loops of wire, each of which is 12 cm long and 8 cm wide. The loops rotate at 1200 rpm about an axis through the center and parallel to the long side.
 
  If the magnetic field in which the loop rotates is uniform, has magnitude 0.30 T, and is perpendicular to the axis of rotation, what will be the maximum output voltage of this generator?
  A) 20 V B) 27 V C) 35 V D) 29 V

Question 2

If the kinetic energy of a proton is 80 of its total energy, what is the speed of the proton?
 
  A) 0.02c B) 1.0c C) 0.87c D) 0.98c

[duke02]

Answer to Question 1

D

Answer to Question 2

D

[amal]

TYSM

[amandalm]

Gracias!