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Current Electricity · 2018 · 15 Apr · Shift 2

2 Physics questions from this JEE Main paper
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Current Electricity · 2018 · 15 Apr · Shift 2

2 Physics questions from this JEE Main paper

  1. Q59.A copper rod of cross-sectional area A carries a uniform current I through it. At temperature T, if the volume charge density of the rod is ρ, how long will the changes take to travel a distance d ?
    Physics · Current Electricity · MCQ
  2. Q68.A constant voltages is applied between two ends of a metallic wire. If the length is halved and the radius of the wire is doubled, the rate of heat developed in the wire will be :
    Physics · Current Electricity · MCQ