Complete the following statement: When the current in an oscillating LC circuit is zero,

Options

A. The charge on the capacitor is zero.
B. The energy in the electric field is maximum.
C. The energy in the magnetic field is a maximum.
D. The charge is moving through the inductor.

Answer

To complete the statement "When the current in an oscillating LC circuit is zero," we need to analyze the behavior of an LC circuit, which consists of an inductor (L) and a capacitor (C) connected together.

### Step-by-Step Solution:

1. **Understanding the LC Circuit**:
- An LC circuit oscillates between the energy stored in the electric field of the capacitor and the magnetic field of the inductor.

2. **Current in the Circuit**:
- The current in the circuit is related to the charge on the capacitor. When the current is zero, it indicates that the charge is not changing at that instant.

3. **Energy in the Capacitor and Inductor**:
- The energy stored in the capacitor (U_C) is given by the formula:
\[ U_C = \frac{1}{2} C V^2 \]
where \(V\) is the voltage across the capacitor.
- The energy stored in the inductor (U_L) is given by:
\[ U_L = \frac{1}{2} L I^2 \]
where \(I\) is the current through the inductor.

4. **Condition When Current is Zero**:
- When the current is zero, the energy stored in the inductor is also zero (since \(I = 0\)).
- At this point, all the energy is stored in the capacitor as electric potential energy.

5. **Conclusion**:
- Therefore, when the current in an oscillating LC circuit is zero, the energy in the electric field (stored in the capacitor) is at its maximum.

### Final Statement:
When the current in an oscillating LC circuit is zero, the energy in the electric field is maximum.