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प्रश्न
An electric field `vec"E" = 10 xx hat"i"` exists in a certain region of space. Then the potential difference V = Vo – VA, where Vo is the potential at the origin and VA is the potential at x = 2 m is:
विकल्प
10 V
- 20 V
+ 20 V
- 10 V
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उत्तर
+ 20 V
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