Three resistors `R_(1) ,R_(2)` and `R_(3)` are connected in parallel and the combination is connected to a battery, ammeter, voltmeter and key. Draw suitable circuit diagram and obtain an expression for the equivalent resistance of the combination of the resistors.

Explanation

To solve the problem, we will follow these steps:

### Step 1: Draw the Circuit Diagram
We need to draw a circuit diagram that includes three resistors \( R_1, R_2, R_3 \) connected in parallel, along with a battery, ammeter, voltmeter, and a key.

1. **Components**:
- Three resistors \( R_1, R_2, R_3 \)
- A battery (with positive and negative terminals)
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