An LR circuit includes a resistor of resistance R, an inductor of inductance L and a battery of emf E = 10 V. At time t = 0 the current in the circuit is I = 0. At time t = 6.1 ms the current is I = 0.66 A. What are the values of L and R?
A)
not enough information given
B)
L = 15 mH, R = 20 ?
C)
L = 10 mH, R = 100 ?
D)
L = 50 mH, R = 150 ?
E)
L = 2 mH, R = 10 ?
A
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