(a) In Figure 32.44, is the potential at point a higher or lower than the potential at...
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(a) In Figure 32.44, is the potential at point a higher or lower than the potential at \(\mathrm{b}\) when the current direction is clockwise through the circuit?
(b) If we define such a current to be positive, is \(\mathscr{E}\) positive or negative? Express \(v_{R}\) in terms of the potential at a and the potential at b.
(c) Half a cycle later, when the current is negative, is \(\mathscr{E}\) positive or negative? Express \(v_{R}\) again in terms of the potential at \(a\) and the potential at \(b\).
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