Question

Which of the following will increase the strength of a copper electromagnet

Answer 1

Answer:

The correct answer is A: increasing the current, D: wrapping the copper wire around an iron nail, and E: adding more loops to the wire

Explanation:

Answer 2

The following will increase the strength of a copper electromagnet;

Adding more loops to the wire

Increasing the current

Explanation:

An electromagnet, a device that transforms electric energy into magnetic energy,  has its magnetic field induced by an electric current. This current must be AC (alternating current) and not Direct Current (D.C) for it to work. Increasing the number of coils in the electromagnet increases the number of field lines of interaction between the current and the paramagnetic material.  Increasing the current also makes the magnetic stronger.

Learn More:

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