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  4. As a result of change in the magnetic flux linked to the closed loop shown in figure, an emf, V volt is induced in the loop. The work done (in joule) in taking a charge q coulomb once along the loop is <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/42e98ce424d7c6e00bd19b8e89d22fda-.jpeg />

Q. As a result of change in the magnetic flux linked to the closed loop shown in figure, an emf, volt is induced in the loop. The work done (in joule) in taking a charge coulomb once along the loop is
image

 1698  215 Electromagnetic Induction Report Error

Solution:

Work done in taking a charge
Volt induced in the loop
Work done in moving a test charge and a loop having induced emf ,
will be QE As the induced electric field due to change in magnetic field is non-conservative.
The work done due to change will become
Hence, The work done (in joule) in taking a charge column once along the loop is