These units and variables are also explained in these teacher notes.

1. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   
   15 coils is what?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ

2. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   N = 15 coils
   
   35 m² is what?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ

3. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   N = 15 coils
   A = 35 m²
   
   60^o is what?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ

4. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   N = 15 coils
   A = 35 m²
   θ = 60^o
   
   15 T is what?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ

5. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   N = 15 coils
   A = 35 m²
   θ = 60^o
   Bi = 15 T
   
   20 T is what?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ

6. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   N = 15 coils
   A = 35 m²
   θ = 60^o
   Bi = 15 T
   Bf = 20 T
   
   6 sec is what?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ

7. 15 coils of wire (each 35 m²) at 60^o experiences a magnetic field change from 15 T to 20 T in 6 seconds. Find the emf produced.
   N = 15 coils
   A = 35 m²
   θ = 60^o
   Bi = 15 T
   Bf = 20 T
   t = 6 sec
   
   In the equation there is a Δ, meaning something has to change. What changed?

   1.   ?    A
   2.   ?    N
   3.   ?    B
   4.   ?    t
   5.   ?    θ