Which statement describes how this diagram could be changed so that it shows an electromagnet?
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Battery
Ammeter
A. Place a second battery between the ammeter and the wire coil.
B. Add a magnetic metal core inside the coil of wire.
C. Add magnetic field lines around the wire coil,
D. Move the ammeter to the other side of the wire coil.

Aa a of 22 m/s at an of 36.9 .be . a. b. c. (3)x y of? (3)go? (4) () it to to ?

Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop

Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?