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Which of the following statements are co...

Which of the following statements are correct for moving charge as shown in figure:
A. Magnitude of electric field `E = 3/4 ((mV^2 )/(qa))`
B. Rate of change of work done at point A is ` 3/4 (mV^3 )/a`
C. Rate of change of work done by both fields at point B is zero
D. Change in angular momentum is `2maV`

A

A,C,D

B

A,B,C

C

B,C,D

D

A,B,C,D

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