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A field of 100Vm^(-1) is directed at 30...

A field of 100V`m^(-1)` is directed at 30° to positive x-axis. Find `(V_A -V_B)` if OA = 2m and OB = 4m

A

A) `100 ( sqrt(3) -2) V`

B

B) `-100 ( 2 + sqrt(3) ) V `

C

C) `100 ( 2- sqrt(3))V`

D

D) `200 ( 2 + sqrt(3))V`

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The correct Answer is:
B
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