Multiple choice

Increasing the number of coils in a solenoid also increases the strength of ______.

  1. the protons

  2. the magnetic field

  3. the induction

  4. none of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The magnetic field strength of a solenoid is directly proportional to the number of turns in the coil. Increasing the number of coils increases the density of the magnetic field lines.