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`OABC` is a current carrying square loop an electron is projected from the center of loop along its diagonal `AC` as shown. Unit vector in the direction of initial acceleration will be
image .
A. `hatk`
B. `-((hati+hatj)/(sqrt2))`
C. `-hatk`
D. `(hati+hatj)/(sqrt2)`

1 Answer

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Best answer
Correct Answer - B
`oversetrarrF = -e (oversetrarrV xx oversetrarrB)`
Force will be along `BO` or unit vector
`= -(hati + hatj)/(sqrt2a` .

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