Author Question: A 2-m long wire is carrying a current of 2 A. The wire is placed at an angle of 60 with respect to a ... (Read 79 times)

ahriuashd · **on:** Jul 29, 2018

A 2-m long wire is carrying a current of 2 A. The wire is placed at an angle of 60 with respect to a magnetic field. If the wire experiences a force of 0.2 N, what is the strength of the magnetic field?

A)

0.02 T
B)

0.03 T
C)

0.04 T
D)

0.05 T
E)

0.06 T

Question 2

A transformer changes the 10,000 V power line to 120 V. If the primary coil contains 750 turns, how many turns are on the secondary?

A)

3
B)

0
C)

9
D)

6.3 104
E)

2.1 104