True or false, and why? 1. A circuit that includes resistors, capacitors, and in

Question

True or false, and why?

1. A circuit that includes resistors, capacitors, and inductances in parallel is called an RLC circuit.

2. When capacitors and inductances are introduced into a DC circuit, we get an AC circuit.

3. When an inductance is connected to a DC power source, the current 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 by the reactance.

6. In an RL-circuit, the current and the voltage are in phase.

7. The higher the frequency of the AC voltage source in an RL-circuit, the higher the currents.

8. In a circuit with an AC power source and an inductance in series, the inductive reactance takes the place of the resistance.

Explanation / Answer

a) false ( if they are connected in series also called RLC circuit ) b) false ( to get AC circuit we connect not frequency generator) c) true   ( current flows through it also increasing ) d) false ( from columb law QV) e) false f)false ( the voltage across resistance always remain in phase with the current bu voltage across inductance lead over current 900) e) false f) true

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