An uniform electric field E exists along...

An uniform electric field E exists along positive x-axis. The work done in moving a charge 0.5 C through a distance 2 m along a direction making an angle `60^(@)` with x-axis is 10 J. Then the magnitude of electric field is

`5 Vm^(-1) `

`2Vm^(–1)`

`sqrt5Vm^(-1)`

`20Vm^(–1)`

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