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Electromagnetic theory miscellaneous

Electromagnetic Theory

  1. A loop is rotating about the y-axis in a magnetic field

    E = B0 cos (ωt + φ)
    axT
    .The voltage in the loop is—
    1. Zero
    2. Due to rotation only
    3. Due to transformer action only
    4. Due to both rotation and transformer action
Correct Option: D

Since magnetic field is sinusoidal so the voltage in the loop will be by transformer action and rotation both.



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