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Electric circuits miscellaneous

  1. A circular turn of radius 1 m revolves at 60 rpm about its diameter aligned with the x-axis as shown in the figure. The value of μ0 is 4π × 10– 7 in SI unit. If a uniform magnetic field intensity H = 107 ẑ A/m is applied, then the peak value of the inducted voltage, Vturn (in volts), is ______.
    1. 246– 250
    2. 146– 250
    3. 246– 350
    4. 146– 350
Correct Option: A

The given circuit represents wheatstone bride. Hence current in the 2 Ω circuit is zero.



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