Question

In a series rlc ac circuit, a second resistor is connected in parallel with the resistor previously in the circuit. as a result of this change, what happens to the impedance of the circuit?

Answer 1

According to the given statement:

• The frequency response does not change, which is the first thing we notice.

• The new resistance at the resonance point causes a reduction in the circuit's current flow.
•    Z = R + R₂

The definition of series circuits:

electrical circuit. The path that the entire current takes as it passes through each component makes up a series circuit. Branching is used in parallel circuits to divide the current and limit the amount that flows through each branch.

How does a series circuit operate?

According to this definition, there are three principles of series circuits: all parts share the same current, resistances add up to a larger total resistance, and voltage drops add up to a larger total voltage. In the definition of a series circuit, all of these guidelines have their origin.

According to the given information:

The impedance of a series circuit is

       Z₀² = R² + (X$_L$-X$_C$) ²

The initial resistance impedance shifts to when we add another resistor to the series

              Z² = (R + R₂) ² + (X$_L$ - X$_C$) ²

Let's examine this sentence.

• The frequency response remains unchanged, which is the first thing we notice.
• The new resistance at the resonance point causes the circuit's current to decrease.

           Z = R + R₂

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