After a balloon is rubbed on a sleeve, the balloon is brought near to the metallic plate of an electroscope without touching it. As a result, the rotating needle of the electroscope deflects away from the stationary, vertical support.

The sign of the electric charge on the needle of the electroscope is:

A. Neutral

B. Positive

C. Negative

D. Cannot tell without knowing the type of metal

Question

River Schmitt

Physics

25 August, 23:35

After a balloon is rubbed on a sleeve, the balloon is brought near to the metallic plate of an electroscope without touching it. As a result, the rotating needle of the electroscope deflects away from the stationary, vertical support.

The sign of the electric charge on the needle of the electroscope is:

A. Neutral

B. Positive

C. Negative

D. Cannot tell without knowing the type of metal

+2

Answers (1)

Know the Answer?

Harmony Weeks · Answer 1

C

Explanation:

The leaves will divert: meaning the positive charge on the leaves has increased further or moved apart. This happens when positive charge is produced on the leaves by the charged object. This is possible only when the object is positively charged an indication that the balloon is positively charged.