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The magnetic flux through each of give faces of a neutral playing dice is given `phi_(B)=+-NWb, where N(=1 t o 5)` is the number of spots on the face. The flux is positive (out -ward) for `N` even and negative (inward) for `N` odd What is the flux thogh sixth face of the die ?A. `3Wb`B. `4Wb`C. `-3Wb`D. `-4 Wb` |
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Answer» Correct Answer - A `phi_("net") = 0` `phi_(1) + phi_(2) + phi_(3) + phi_(4) + phi_(5) + phi_(6) =0` `-1 + 2 -3 + 4 -5 + phi_(6) = 0` . |
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