A resistor of 15 and a coil are connected in series with a 6.30V battery with...
A resistor of 15 and a coil are connected in series with a 6.30V battery with negligible internal resistance and a closed switch. At the instant of 2.00 ms after opening the circuit the current is 0.210A, the inductance of the coil is:
a.
94.5 H
b.
13.3 mH
c.
42.0 mH
d.
43.3 mH
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