12th Class Physics Sample Paper Physics Olympiad Sample Paper-1

  • question_answer
    Statement 1: An inductance and a resistance are connected in series with an ac circuit. In this circuit the current and the potential difference across the resistance lags behind potential difference across the inductance by an angle of \[\pi /2\].
    Statement 2: In a LR circuit voltage leads the current by phase angle which depends on the value of inductance and resistance both.

    A)  Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

    B)  Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

    C)  Statement 1 is true but statement 2 is false.

    D)  Both statements 1 and 2 are false.

    Correct Answer: B


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