Question: What must the emf ( mathcal { E } ) in the figure ( Figure 1 ) be in order for the

What must the emf \(\mathcal{E}\) in the figure (Figure 1) be in order for the current through the \(7.00\Omega \) resistor to be 1.85 A ? Each emf source has negligible internal resistance. Express your answer with the appropriate units.
\[
\mathcal{E}=
\]
What must the emf \ ( \ mathcal { E } \ ) in the

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