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A square conductind loop, `20.0 cm` on a side placed in the same magnetic field as shown in Fig. 3.195, center of the magnetic field region, where `dB//dt = 0.035 T s^(-1)`. The potential difference between points `a and b` isA. (A) `6 V`B. ( b) `0`C. ( c) `10 V`D. (d) `12 V` |
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Answer» Correct Answer - B (b) `epsilon_(ab) = (1)/(8)epsilon`, But there is a potential drop of `V = (IR)/(8) = (epsilon)/(8)` so the potential difference `epsilon_(ab) - V` is zero. |
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