Electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines surrounding a wire. One way to explore the direction of a magnetic field is with a compass, as shown by a long straight current-carrying wire in.
Answer:
I believe there are 20 Neutrons in Calcium.
Explanation:
Answer:
Sorry I'm wrong The person above is correct.
I tried.
Seconds due to being time and shortest unit is seconds
because there small elemts like atoms but bigger than atoms we all know that
