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Alternating Current · 2024 · 30 Jan · Shift 1

2 Physics questions from this JEE Main paper
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Alternating Current · 2024 · 30 Jan · Shift 1

2 Physics questions from this JEE Main paper

  1. Q63.Primary coil of a transformer is connected to 220 V ac. Primary and secondary turns of the transforms are 100 and 10 respectively. Secondary coil of transformer is connected to two series resistances shown in figure. The output… Includes diagram
    Physics · Alternating Current · MCQ
  2. Q66.A series L.R circuit connected with an ac source E=(25sin1000t)V has a power factor of 2​1​. If the source of emf is changed to E=(20sin2000t)V, the new power factor of the circuit…
    Physics · Alternating Current · MCQ