Introduction:
An ohmmeter is a device used to measure the resistance of an electrical component. It typically consists of a galvanometer and a series resistor. However, to enhance its functionality and accuracy, multiplication features are incorporated in an ohmmeter.

Explanation:
The multiplication features in an ohmmeter enable the meter to measure values with the least error. Let's understand this in detail:

1. Measurement Accuracy:
- When measuring resistance using an ohmmeter, it is important to minimize errors. The multiplication feature helps in achieving higher accuracy by reducing the impact of various factors that can affect the measurement, such as galvanometer sensitivity, internal resistance, and lead resistance.
- By incorporating multiplication features, the ohmmeter can compensate for these factors and provide more accurate resistance measurements.

2. Range Selection:
- An ohmmeter typically has multiple ranges to measure different resistance values. The multiplication feature allows the ohmmeter to automatically select the appropriate range based on the resistance being measured.
- For example, if a high resistance value is being measured, the ohmmeter can switch to a higher range by multiplying the reading to provide a more precise measurement.

3. Error Reduction:
- When measuring low resistance values, the internal resistance of the ohmmeter can introduce errors in the measurement. The multiplication feature in the ohmmeter helps in reducing these errors by compensating for the internal resistance.
- By multiplying the measured resistance value, the ohmmeter provides a corrected reading that accounts for the internal resistance, resulting in a more accurate measurement.

4. Enhanced Functionality:
- Multiplication features in an ohmmeter make it more versatile and multipurpose in its application. It can be used to measure a wide range of resistance values, including both high and low resistance values.
- This versatility allows the ohmmeter to be used in various electrical engineering applications, such as testing circuits, troubleshooting faults, and verifying component values.

Conclusion:
Incorporating multiplication features in an ohmmeter enhances its accuracy, reduces errors, enables range selection, and makes it more versatile in its application. By multiplying the measured resistance values, the ohmmeter provides more precise readings, making it a valuable tool for electrical engineers and technicians.