Answered: Closing switch S, connects the R-L…

Closing switch S, connects the R-L combination in series with a source of emf E. S1 a elle R S2 Closing switch S, while opening switch S1 disconnnects the combination from the source.

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Question

In Fig, R = 15.0 Ω and the battery emf is 6.30 V. With switch S₂ open, switch S1 is closed. After several minutes, S₁ is opened and S₂ is closed.

(a) At 2.00 ms after S₁ is opened, the current has decayed to 0.280 A. Calculate the inductance of the coil.

(b) How long after S1 is opened will the current reach 1.00% of its original value?

Closing switch S, connects the R-L combination
in series with a source of emf E.
S1
a
elle
R
S2
Closing switch S, while opening switch S1
disconnnects the combination from the source.

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