The magnetic flux through a circuit with a resistance equal to R = 4 ohms changes as shown in the graph.
| November 17, 2020 | education
The magnetic flux through a circuit with a resistance equal to R = 4 ohms changes as shown in the graph. At the time t = 10 s, the induction current in the circuit is
Ei = – ΔF / Δt = – (- 4 Vb – 6 Vb) / (12 s – 4 s) = 1.25 V
i = Ei / R = 1.25 V / 4 Ohm ≈ 0.3 A
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