Author Question: A circular loop of wire of radius 10 cm carries a current of 6A. The magnitude of the magnetic field ... (Read 124 times)

evelyn o bentley · **on:** Jul 29, 2018

A circular loop of wire of radius 10 cm carries a current of 6A. The magnitude of the magnetic field at the center of the loop is

A)

3.8 10-5 T.
B)

3.8 10-7 T.
C)

1.2 10-5 T.
D)

1.2 10-7 T.
E)

3.8 10-8 T.

Question 2

A 1000-turn toroid has a central radius of 4.2 cm and is carrying a current of 1.7 A. The magnitude of the magnetic field along the central radius is

A)

8.1 10-3 T.
B)

5.1 10-2 T.
C)

1.6 10-2 T.
D)

8.1 10-2 T.
E)

0.