Answer for 4A is 17 micro coulombs. Can someone help me answer the rest? An LC c

Question

Answer for 4A is 17 micro coulombs. Can someone help me answer the rest?

An LC circuit has a capacitance of 30 muF and an inductance of 15mH. The maximum charge on the capacitor is 10 muC. (a) Determine the maximum electric energy in the capacitor, (b) If an electric resistance is connected in the circuit, determine the maximum resistance for which the circuit oscillates, (c) If the electric resistance is 80% of this maximum value and a voltage source is connected to the circuit and has an output of V(t) = 100 sin(1000 t) Volts. Determine the maximum current in the circuit. d) Is this an inductive or capacitive circuit?

Explanation / Answer

Solution: Maximum electric energy in the capacitor U =

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