When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes?
-
A.
Bipolar -
B.
Negatively charged -
C.
Positively charged -
D.
Neutral
Correct Answer: Option B
Explanation
When these cathode rays are deflected onto an electrode of an electrometer, the instrument measured a negative charge. The rays tested also were deflected by application of an electric field.
There is an explanation video available below.