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Exercise 1: (8 pts) Current begins to build up in a series circuit consisting of a...

Exercise 1: (8 pts)
Current begins to build up in a series circuit consisting of a 10 V battery, a
coil of 15 mH and a resistance of 10 Ω.
(a) What is the time constant τ of the circuit?
(b) What is the current in the coil after a time of 4.5 ms?
(c) What is the voltage across the resistor after 4.5 ms?
(d) What is the voltage across the coil after 4.5 ms?
science   Advanced-Physics   
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