To determine the diameter of the wire, the student wound close to a pencil 30 branches that took up a part of a pencil 30 cm long. Determinant wire diameter?
1) Since 30 turns of wire took 30 cm, you can determine how much one turn took. To do this, divide the width of 30 turns (30 cm) by their number (30): (30 cm) / 30 = 1 cm.
2) We got that the width of one turn is 1 cm, this will be the diameter of the wire.
ANSWER: 1 cm.
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