Which of the following statements is false?

Options

A. In a balanced Wheatstone bridge, if the cell and the galvanometer are exchanged, the null point is disturbed
B. A rheostat can be used as a potential divider
C. Kirchhoff’s second law represents energy conservation
D. Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude

Explanation

To solve the question of which statement is false regarding the Wheatstone bridge and related concepts, we can analyze each statement step by step.

### Step-by-Step Solution:

1. **Understanding the Wheatstone Bridge**:
A Wheatstone bridge consists of four resistors arranged in a diamond shape with a galvanometer connected between two junctions and a battery connected across the other two junctions. The bridge is said to be balanced when the ratio of the resistances in one branch is equal to the ratio in the other branch.

**Hint**: Recall the condition for a balanced Wheatstone bridge: \( \frac{R_1}{R_2} = \frac{R_3}{R_4} \).
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