Two coils,1 and 2,with iron cores are positioned as shown in the figure.Coil 1 is part of a circuit with a battery and a switch.

-Assume that S has been closed for a long time.Which one of the following statements is true if S is suddenly opened?
A)There is no induced current through R.
B)There is no induced magnetic field in coil 2.
C)There is an induced current in R that flows from right to left.
D)There is an induced magnetic field in coil 2 that points toward C.
E)There is an induced magnetic field in coil 2 that points toward B.

Question

Two coils,1 and 2,with iron cores are positioned as shown in the figure.Coil 1 is part of a circuit with a battery and a switch.
 
-Assume that S has been closed for a long time.Which one of the following statements is true if S is suddenly opened?
A)There is no induced current through R. 
B)There is no induced magnetic field in coil 2. 
C)There is an induced current in R that flows from right to left. 
D)There is an induced magnetic field in coil 2 that points toward C. 
E)There is an induced magnetic field in coil 2 that points toward B.

Quizplus · Accepted Answer

The Answer of Two coils,1 and 2,with iron cores are positioned as shown in the figure.Coil 1 is part of a circuit with a battery and a switch.
 
-Assume that S has been closed for a long time.Which one of the following statements is true if S is suddenly opened?
A)There is no induced current through R. 
B)There is no induced magnetic field in coil 2. 
C)There is an induced current in R that flows from right to left. 
D)There is an induced magnetic field in coil 2 that points toward C. 
E)There is an induced magnetic field in coil 2 that points toward B.

Two Coils,1 and 2,with Iron Cores Are Positioned as Shown