किसी चालक के संवहन वेग \( \left(\mathbf{v}_{\mathbf{d}}\right) \) तथा आरोपित विद्युत क्षेत्र \( ...

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किसी चालक के संवहन वेग \( \left(\mathbf{v}_{\mathbf{d}}\right) \) तथा आरोपित विद्युत क्षेत्र \( (\mathbf{E}) \) के बीच सम्बन्ध है-
(A) \( \mathrm{V}_{\mathrm{d}} \propto \sqrt{\mathrm{E}} \)
(B) \( \mathrm{V}_{\mathrm{d}} \propto \mathrm{E} \)
(C) \( V_{d} \propto E^{2} \)
(D) \( v_{d}= \) Constant
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