Solutions For Admission Assessment Exam Review Chapter H Problem 35PPT

Like poles repel and unlike poles attract. For an attraction to happen, the two poles must be of opposite polarity.

Hence, the options (A) and (B) are incorrect.

To have maximum force of attraction, we should have greater magnetic field because the force is attraction or repulsion is directly proportional to the magnetic field.

Hence, the option (C) is incorrect.

The maximum force is experienced when magnetic field is highest.

Therefore, option is the correct answer.