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1.  An RL circuit consists of a 50.5 Ω resistor and a 4.6 mH inductor. Find its...

1.  An RL circuit consists of a 50.5 Ω resistor and a 4.6 mH inductor. Find its impedance at 54.3 Hz.

2. Find the magnitude of the angle between the first minima for the two sodium vapor lines, which have wavelengths of 589.1 nm and 589.6 nm, when they fall upon a single slit of width 5.6 μm. Give your answer in degrees.

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