In an `LCR` circuit the energy is dissipated in

Options

A. `L` only
B. `C` only
C. `R` only
D. all of these

Answer

To solve the question about energy dissipation in an LCR circuit, we can follow these steps:

### Step 1: Understand the Components of the LCR Circuit
An LCR circuit consists of three main components:
- **Inductor (L)**: Stores energy in the form of a magnetic field.
- **Capacitor (C)**: Stores energy in the form of an electric field.
- **Resistor (R)**: Dissipates energy as heat.

### Step 2: Identify the Nature of the Supply
The circuit is connected to an **AC (Alternating Current)** supply. This is important because the behavior of the components differs from that in a DC (Direct Current) circuit.

### Step 3: Analyze Energy Dissipation
In an AC circuit:
- The **resistor (R)** dissipates energy in the form of heat due to the current flowing through it. This is known as power dissipation.
- The **inductor (L)** and **capacitor (C)** do not dissipate energy; instead, they store and release energy. The energy in the inductor and capacitor oscillates back and forth but does not result in energy loss.

### Step 4: Conclusion
Since only the resistor dissipates energy in the LCR circuit, we conclude that the energy is dissipated in the resistor (R).

### Final Answer
The energy is dissipated in the resistor (R) in an LCR circuit.

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