wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The strength of the electromagnet can be increased by

(a) reversing the directions of current

(b) using an alternating current of high frequency

(c) increasing the current in the coil

(d) decreasing the number of turns of coil.

Open in App
Solution

The strength of an electromagnet can be increased by

  • increasing the number of turns of the coil, and
  • increasing the current through the coil

Hence, the correct answer is option c.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Electro Magnet
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon