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12th Class Physics Quiz Question.

http://interviewquestionsanswers.org/quiz/12th-Class http://interviewquestionsanswers.org/qu … ss-Physics

Question:
A glass rod, which has been, rubbed with silk, is brought near to a small metal sphere suspended by a thread and the sphere is drawn toward the rod by an electrostatic force. The sphere is?

Option A):
Charged negatively
Option B):
Either negatively charged or neutral
Option C):
Electrically neutral
Option D):
Charged positively

Correct Answer is Option B):
Either negatively charged or neutral