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Class 12 · Physics · Medium
→A positive rod is brought near a neutral conductor and the conductor is earthed. In which direction do electrons move?
Class 12 · Physics · Medium
→A negative rod is brought near a neutral conductor and the conductor is earthed. In which direction do electrons move?
Class 12 · Physics · Medium
→Why is earthing useful while charging a conductor by induction?
Class 12 · Physics · Easy
→If the charge on a body is zero times the elementary charge, what can be said about the body?
Class 12 · Physics · Easy
→A body has charge equal to negative two elementary charges. Which value is possible?
Class 12 · Physics · Easy
→Two light balls repel each other. Which conclusion is most appropriate?
Class 12 · Physics · Medium
→A charged body attracts neutral pieces of paper. Which conclusion cannot be made with certainty?
Class 12 · Physics · Medium
→A neutral conductor becomes positive when touched by a positive rod. What is the direction of electron transfer in this process?
Class 12 · Physics · Medium
→A neutral metal sphere is touched with a negatively charged rod. What is the main reason the sphere becomes negative?
Class 12 · Physics · Easy
→Which statement correctly describes quantization of charge?
Class 12 · Physics · Easy
→A system has three positive elementary charges and five negative elementary charges. What is the net charge?
Class 12 · Physics · Easy
→A body has a positive charge equal to five times the elementary charge. What is the most correct meaning?
Class 12 · Physics · Medium
→If a body has negative charge equal to seven times the elementary charge, how many extra electrons does it have?
Class 12 · Physics · Easy
→In a question based on conservation of charge, what should be done first?
Class 12 · Physics · Easy
→What is the total charge of a negative seven-coulomb charge and a positive four-coulomb charge?
Class 12 · Physics · Easy
→What is the total charge of a positive seven-coulomb charge and a negative four-coulomb charge?
Class 12 · Physics · Easy
→What is the total charge of negative two-coulomb and negative three-coulomb charges?
Class 12 · Physics · Easy
→What is the total charge of positive two-coulomb and positive three-coulomb charges?
Class 12 · Physics · Easy
→What does the algebraic sum of charges mean?
Class 12 · Physics · Easy
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