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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Find induced emf
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anpm_dev (111)

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A T-shaped rod is rotating about AO with angular velocity w(omega) in a magnetic field B as shown. The emf induced across AC is


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anpm_dev (111)

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cum on friendz fast... its a FIITJEE phase test question

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nidhi_nidhi (16)

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johri_anshuman (1188)

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pls post up a better diagram... its not visible clearly... and there is no magnetic field in the fig...

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anpm_dev (111)

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no,
the options are:
a) 2w(omega)Bl^2
b) wBl^2
c)1/2wBl^2
d)None

what method u have applied plz go in detail... lets solve the ques together

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anpm_dev (111)

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@ Johri I have made the diagram as it was in the Question no change everything else is clear the curved arrow shows the direction of w(omega)

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karthik2007 (3399)

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Ans is a)

Will nip in at times to solve problems :)
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anpm_dev (111)

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how plz tell i've lost my solutions

The deepest secret is that life is not a process of discovery, but a process of creation. You are not discovering yourself, but creating yourself anew. Seek therefore, not to find out who you are; seek to determine who you want to be."
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karthik2007 (3399)

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Will nip in at times to solve problems :)
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anpm_dev (111)

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how is AC =2l it must be l root2

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karthik2007 (3399)

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Oh sorry... I took it to be an equilateral triangle.

Ans is then Bw^2l, viz option b).

Editing my post

Will nip in at times to solve problems :)
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anpm_dev (111)

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u must be rated...

The deepest secret is that life is not a process of discovery, but a process of creation. You are not discovering yourself, but creating yourself anew. Seek therefore, not to find out who you are; seek to determine who you want to be."
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karthik2007 (3399)

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Please see my edited post, and revert back if you have doubts.

Nice question by the way.

Will nip in at times to solve problems :)
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anpm_dev (111)

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hey what is ICR

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