What is the requirement for a core to be used in an electromagnet?
oa. it must be able to be increased.
b. it cannot be magnetized.
c. it must be an ion.
d.
it must be able to be magnetized.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Ways that industry and agriculture use physical properties to separate substances

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