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14. The electric potential decreases uniformly from 120 V to80 V as one moves on the x-axis from x -1 cm tox= +1 cm. The electric field at the origin(a) must be equal to 20 Vem(b) may be equal to 20 Vem(c) may be greater than 20 Vem(d) may be less than 20 Vem'. |
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Answer» c) is the correct answer |
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