alleryStart learning →Charged rod removed while electroscope stays earthed. Then disconnect Earth. Final charge?
APositive net charge
BZero net charge
CNegative net charge
DUnknown nonzero charge
Answer & Solution
Correct answer: B. Zero net charge
With the inducer gone while grounding remains, charge can return to Earth and leave the instrument neutral.
Keep practising Static Electricity
Browse all Static Electricity questions for ICSE Class 8, or explore more Physics topics.
Related questions
Isolated spheres share charge equally. Q,R neutral. P+ touches Q; leaves; Q touches R. MosNeutral metal spheres A,B touch on insulators. A positive rod nears A. Separate A,B beforePositive rod near neutral electroscope: earth, disconnect Earth, remove rod. Final sign?Earthing reduces an electroscope's charge. Charge conservation applies to?Neutral pith ball touches a charged rod, then repels. Why?An isolated electroscope was contact-charged; the source is gone. Divergent leaves prove wA charged rod nears an initially neutral, isolated electroscope. No touch or sparks. TotalAn unknown body repels a positively charged test ball. Its net charge is?