A transformer is a device that normally A) operates on either ...

[nramada]

A transformer is a device that normally
 
  A) operates on either dc or ac.
  B) operates only on ac.
  C) operates only on dc.

Question 2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field.
 
  What is the radius of the proton's resulting orbit? (e = 1.60  10-19 C, mproton = 1.67  10-27 kg)
  A) 0.080 m
  B) 0.11 m
  C) 0.14 m
  D) 0.17 m

[jonathanballen97]

Answer to Question 1

B

Answer to Question 2

B