Reference no: EM13800535
Question 1: The current in a 50 µH inductor is known to be
iL = 18te-10t A for t ≥0.
a) Find the voltage across the inductor for t > 0.
b) Find the power (in microwatts) at the terminals of the inductor when t = 200 ms.
c) Is the inductor absorbing or delivering power at 200 ms?
d) Find the energy (in microjoules) stored in the inductor at 200 ms.
e) Find the maximum energy (in microjoules) stored in the inductor and the time (in milliseconds) when it occurs.
Question 2: The current shown in Fig. is applied to a 0.25 µF capacitor. The initial voltage on the capacitor is zero.
a) Find the charge on the capacitor at t = 15 µs.
b) Find the voltage on the capacitor at t = 30 µs.
c) How much energy is stored in the capacitor by this current?
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