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A particle of charge +q and mass m movin...

A particle of charge +q and mass m moving under the influnce of a uniform electric field `E hati `and a uniform magnetic field `Bhatk` follows trajectory from P to Q as shown in figure. The velocities at P and Q `vhati` and `-2vhatj` respectively. Which of the following statement(s) is/are correct

A

`E=(3)/(4)(mv^(2))/(qa)`

B

Rate of work done by electric field at P is `(3)/(4)(mv^(2))/(a)`

C

Rate of work done by electric field at P is zero

D

Rate of work done by both the field at Q is zero

Text Solution

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The correct Answer is:
A, B, D
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