A circular coil with 600 turns has a radius of 15 cm. The coil is ...

[gonzo233]

A circular coil with 600 turns has a radius of 15 cm. The coil is rotating about an axis perpendicular to a magnetic field of 0.020 T.
 
  If the maximum induced emf in the coil is 1.6 V, at what angular frequency is the coil rotating?
  A) 0.30 rad/s B) 1.9 rad/s C) 1.4 rad/sec D) 0.60 rad/s E) 0.90 rad/s

Question 2

A proton having a speed of 3.0  106 m/s in a direction perpendicular to a uniform magnetic field moves in a circle of radius 0.20 m within the field. What is the magnitude of the magnetic field? (e = 1.60  10-19 C, mproton = 1.67  10-27 kg)
 
  A) 0.080 T
  B) 0.16 T
  C) 0.24 T
  D) 0.32 T
  E) 0.36 T

[yasmin]

Answer to Question 1

B

Answer to Question 2

B

[gonzo233]

TY

[yasmin]

You're welcome