A rod of length ℓ with points A and B is moved in a uniform magnetic field B₀ in the different ways shown. In which case is the potential difference Vₐ-Vᵦ minimum?
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A rod of length ℓ with points A and B is moved in a uniform magnetic field B₀ in the different ways shown. In which case is the potential difference Vₐ-Vᵦ minimum?
Options