> Q. A conducting rod AC of length 4 / is rotated about appoint 0 in a uniform magnetic field B directed into the paper. $ AO=l $ and $ OC=3l $ then: – LIVE ANSWER TODAY

Q. A conducting rod AC of length 4 / is rotated about appoint 0 in a uniform magnetic field B directed into the paper. $ AO=l $ and $ OC=3l $ then:

In This post you will get answer of Q.
A conducting rod AC of length 4 / is rotated about appoint 0 in a uniform magnetic field B directed into the paper. $ AO=l $ and $ OC=3l $ then:

Solution:

$ {{V}_{O}}-{{V}_{A}}=frac{Bomega l}{2}times l $ $ =frac{Bomega {{l}^{2}}}{2} $ $ {{V}_{O}}-{{V}_{C}}=frac{Bomega 3l}{2}times 3l $ $ =frac{9Bomega {{l}^{2}}}{2} $ Hence, $ {{V}_{A}}-{{V}_{C}}=4B,omega {{l}^{2}} $ or $ {{V}_{A}}>{{V}_{C}} $

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