A class is designing a d.c. motor. To achieve a greater turning effect, three suggestions are made.
1- Have a larger current in the coil of the motor.
2- Have a stronger magnet in the motor.
3- Put a larger number of turns on the coil.
Which suggestions will help to increase the turning effect?
1, 2 and 3
2 )
1 and 2 only
3 )
1 and 3 only
4 )
2 and 3 only
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...