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Related Questions

  1. A metal wire of circular cross-section has a resistance R₁. The wire is now stretched
  2. If a charge on the body is 1nC, then how many electrons are present on the body?
  3. If the unit of force and length are doubled, then unit of energy will be
  4. The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
  5. Moderator used in nuclear reactor is