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True or false, and why?1. A circuit that includes resistors, capacitors, and inductancesin parallel is called an RLC circuit.2. When capacitors and inductances are introduced into a DCcircuit, we get an AC circuit.3. When an inductance is connected to a DC power source, thecurrent flowing through it decreases exponentially with time.4. As a capacitor charges, the voltage across decreases.5. The rms-current in an RL-circuit is the peak current divided bythe reactance.6. In an RL-circuit, the current and the voltage are inphase.7. The higher the frequency of the AC voltage source in anRL-circuit, the higher the currents.8. In a circuit with an AC power source and an inductance inseries, the inductive reactance takes the place of the resistance.
Two coaxial cables of length ℓ with radii a and b are carrying currents in opposite directions as shown in Figure P33.78. Determine the inductance of the system?
