Question

Which of the following is NOT a characteristic of electromagnetism?

It is only present in circuits with coils in the wires
The direction of the field can be reversed
The strength of the field can be changed
The field can be turned on and off

Answer 1

Electromagnetism is a phenomenon that involves the interaction between electric currents and magnetic fields. The characteristic of electromagnetism that is NOT present in circuits with coils in the wires is that the field can be turned on and off.

Step-by-step explanation:

The characteristic of electromagnetism that is NOT present in circuits with coils in the wires is that the field can be turned on and off. Electromagnetism is a phenomenon that involves the interaction between electric currents and magnetic fields. However, not all circuits with coils in the wires have the ability to turn the field on and off.