Question

Five Styrofoam balls A,B,C,D and E are used in an experiment. The following observations were made in this experiment :

I.Ball A repels C and attracts B.

II. Ball D attracts B and has no effect on E.

III. a negatively charged road attracts both A and E.

Based on the above information, answer the following questions :

Ball A must be

• A. positively charged
• B. negatively charged
• C. neutral
• D. can't say

Answer 1

The correct option is A

positively charged

The explanation for the correct answer :

$A$. Positively Charged

1. The negatively charged attracts $A$ and $A$ repels C and attracts B.
2. So, $A$ is positively charged.

Hence, the option $A$ is the correct answer.

Therefore, the ball must be positively charged option (A).