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Class 12 · Physics
→In an isolated system the total charge is plus 9 coulomb. Two parts have charges minus 4 coulomb and plus 7 coulomb. What is the charge of the remaining part?
Class 12 · Physics
→Which option correctly applies both conservation of charge and quantization of charge?
Class 12 · Physics
→An object has minus two elementary charges. It receives five electrons from another object. What is the new charge?
Class 12 · Physics
→An object has plus four elementary charges. It gives six electrons to another object. What is the new charge of the first object?
Class 12 · Physics
→When a negatively charged conductor is earthed, in which direction do electrons move?
Class 12 · Physics
→When a positively charged conductor is earthed, in which direction do electrons move?
Class 12 · Physics
→In which situation may the charge of the chosen object alone fail to remain conserved while charge conservation remains true for the larger system?
Class 12 · Physics
→A metal conductor appears positively charged. Which microscopic statement is most correct?
Class 12 · Physics
→What is the correct reason for treating charge as a scalar quantity?
Class 12 · Physics
→Why is an algebraic sum used in the conservation of charge?
Class 12 · Physics
→In the annihilation of an electron and a positron, what happens to the total charge?
Class 12 · Physics
→In the context of charge conservation, which explanation of particle and antiparticle creation is correct?
Class 12 · Physics
→If a neutral particle forms a particle with plus three elementary charges and another unknown particle, what is the charge of the unknown particle?
Class 12 · Physics
→A particle decays into three particles. The initial charge is plus two elementary charges. Two products have charges minus one and plus four elementary charges. What is the charge of the third product?
Class 12 · Physics
→Which option has zero total charge even though all objects may be individually charged?
Class 12 · Physics
→Which option has a total charge of −2q?
Class 12 · Physics
→An object has −6 elementary charges. It gives away five electrons and then receives two electrons. What is its final charge?
Class 12 · Physics
→A conductor has charge +5q. A charge −9q enters it from outside. What is the final charge?
Class 12 · Physics
→A conductor has charge −4q. If charge −7q leaves it, what is the new charge of the conductor?
Class 12 · Physics
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