Question

identify the charges that are negative.

Explanation:

Step1: Recall electric field line rules

Electric field lines start from positive charges and end at negative charges.

Step2: Analyze each charge

• For charge A: Field lines are going towards it.
• For charge B: Field lines are coming into it (from A).
• For charge C: Field lines are going towards it (from D).
• For charge D: Field lines are going away from it.

Answer:

Charges A, B and C are negative.