Students want to build a simple motor to demonstrate the relationship between magnetism and electricity. Each student group has a wooden block, paper clips, a battery, and some copper wire. What additional material is necessary to build a simple motor? A.

An iron nail is necessary to produce a temporary magnetic field.
B.

A magnet is necessary to produce a permanent magnetic field.
C.

An iron nail is necessary to act as the electrical circuit load.
D.

A magnet is necessary to act as the electrical circuit load.

B. A magnet is necessary to produce a permanent magnetic field.

Explanation:

When building a simple motor, a permanent magnet is necessary to produce a magnetic field in which opposite North South polarity which will help in rotating the main copper core when the battery is connected.  

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.