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Alternating Current · 2022 · 27 Jun · Shift 1

2 Physics questions from this JEE Main paper
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Alternating Current · 2022 · 27 Jun · Shift 1

2 Physics questions from this JEE Main paper

  1. Q52.The current flowing through an ac circuit is given by I = 5 sin(120 π t)A How long will the current take to reach the peak value starting from zero?
    Physics · Alternating Current · MCQ
  2. Q61.A 220 V, 50 Hz AC source is connected to a 25 V, 5 W lamp and an additional resistance R in series (as shown in figure) to run the lamp at its peak brightness, then the value of R (in ohm) will be ​. Includes diagram
    Physics · Alternating Current · Numerical