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Class 12 · Physics
→A charged conducting sphere is touched with an identical neutral conducting sphere. Why does the charge on the first sphere become half its original value?
Class 12 · Physics
→Three identical conducting spheres carry charges +9 C, 0 C, and 0 C. They are touched together and then separated. What charge is left on each sphere?
Class 12 · Physics
→Two identical conducting spheres initially carry charges +6 C and 0 C. They are touched and then separated. What charge does each sphere carry?
Class 12 · Physics
→A body has a charge of −9.6 × 10⁻¹⁹ C. How many excess electrons does it contain?
Class 12 · Physics
→The charge of a body is said to be positive 7.2 × 10⁻¹⁹ coulomb. Why is this claim doubtful?
Class 12 · Physics
→At school level, what is the most correct response to the claim that a particle has positive two-third elementary charge?
Class 12 · Physics
→If three extra electrons are added to a neutral atom, what will be its charge?
Class 12 · Physics
→If two electrons are removed from a neutral atom, what will be its charge?
Class 12 · Physics
→A system has twelve protons and fifteen electrons. What is the correct description of net charge?
Class 12 · Physics
→A system contains nine electrons and seven protons. What will be the net charge?
Class 12 · Physics
→Does a neutral body become net charged only by rearrangement of electrons?
Class 12 · Physics
→In a neutral conductor, induction only separates charges. What remains the net charge if earthing is not done?
Class 12 · Physics
→When a negative rod is brought near a neutral conductor, what effect appears at the near end?
Class 12 · Physics
→When a positive rod is brought near a neutral conductor, what effect appears at the near end?
Class 12 · Physics
→Why does excess charge on a conductor not remain inside in electrostatic equilibrium?
Class 12 · Physics
→From repulsion between two light bodies, which conclusion is most certain?
Class 12 · Physics
→Why is it difficult to draw a definite conclusion about the charges of two bodies from attraction alone?
Class 12 · Physics
→A body is negatively charged. Which of the following conclusions is not necessary?
Class 12 · Physics
→A body is positively charged. Which of the following conclusions is not necessary?
Class 12 · Physics
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