Q. Assertion : An emf e is induced in a closed loop when magnetic flux is varied. The induced electric field E is not a conservative field.
Reason : The ine integral ∮ $ \vec{E}. \overrightarrow{dl}$ around the closed loop is non-zero.

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A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false

Solution:

We know
$\varepsilon= ∮$$\vec{E}. d \vec{l}=\frac{d\phi B}{dt}$
As $\quad∮$$\vec{E}. d \vec{l}.\ne0,$
the induced electric field is non-conservative in nature.

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Q. Assertion : An emf e is induced in a closed loop when magnetic flux is varied. The induced electric field E is not a conservative field. Reason : The ine integral ∮ $ \vec{E}. \overrightarrow{dl}$ around the closed loop is non-zero.