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Class 12 · Physics
→If someone claims that the total charge of an isolated system changed from positive two coulomb to positive five coulomb, which law is violated?
Class 12 · Physics
→In annihilation of an electron and a positron, only photons are finally produced. Why is this possible in terms of total charge?
Class 12 · Physics
→In pair creation, if the initial total charge is zero and one particle is positive, what must the other particle be?
Class 12 · Physics
→A system has total charge +2 C. In an internal process, one particle gets a charge of −5 C. What should be the total charge on the rest of the system?
Class 12 · Physics
→In charging by induction, why may the conductor generally not remain charged if the charged rod is removed before removing earthing?
Class 12 · Physics
→A neutral conductor is brought near a positive rod, earthed, then the earthing is removed and finally the rod is removed. What is the final charge on the conductor?
Class 12 · Physics
→A neutral conductor is brought near a negative rod, earthed, then the earthing is removed and finally the rod is removed. What is the final charge on the conductor?
Class 12 · Physics
→Two identical conducting spheres have charges −10 C and +4 C. What is the charge on each sphere after contact?
Class 12 · Physics
→Two identical conducting spheres have charges +8 C and −2 C. After contact, what charge will each sphere have?
Class 12 · Physics
→Three identical metal spheres have charges +4 C, −2 C, and −1 C, respectively. After touching them together and separating them, what will be the total charge?
Class 12 · Physics
→Which charge is not possible on an isolated body?
Class 12 · Physics
→A body has a negative charge of 4.8 × 10⁻¹⁹ C. How many excess electrons are present?
Class 12 · Physics
→A body has positive charge of sixteen times ten power minus nineteen coulomb. This equals deficiency of how many electrons?
Class 12 · Physics
→In an isolated system, two neutral bodies are rubbed and the first body gets negative six elementary charges. What charge will the second body have?
Class 12 · Physics
→What is the main difference between conservation and quantization of electric charge?
Class 12 · Physics
→What happens to the net charge when a charged body is combined with an equal and opposite charge?
Class 12 · Physics
→Energy may be spent in charging by friction, but what is true about charge?
Class 12 · Physics
→What is generally required to change the charge of a body?
Class 12 · Physics
→If the net charge of a body is positive, what is deficient in it?
Class 12 · Physics
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