A RL circuit has a battery emf E=-22V and a switch closes at 0.0s. At t=1.25s, the ammeter=0.2A. If R=40ohm, what is the

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answerhappygod
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A RL circuit has a battery emf E=-22V and a switch closes at 0.0s. At t=1.25s, the ammeter=0.2A. If R=40ohm, what is the

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A RL circuit has a battery emf E=-22V and a switch closes
at 0.0s. At t=1.25s, the ammeter=0.2A. If R=40ohm, what is the
magnetic energy when t=3.5s. Provide a response in J in the
hundredth place. show all work.
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