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In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5

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Question: In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5 V. What is the maximum possible error in the voltage measurement?

Options:

  1. 0.5 V
  2. 0.25 V
  3. 1 V
  4. 0.1 V

Correct Answer: 0.5 V

Solution: 

The maximum possible error is the absolute uncertainty, which is ±0.5 V.

In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5

Practice Questions

Q1
In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5 V. What is the maximum possible error in the voltage measurement?
  1. 0.5 V
  2. 0.25 V
  3. 1 V
  4. 0.1 V

Questions & Step-by-Step Solutions

In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5 V. What is the maximum possible error in the voltage measurement?
Correct Answer: ±0.5 V
  • Step 1: Understand what voltage is being measured. In this case, it is 12.0 V.
  • Step 2: Identify the uncertainty given in the measurement. Here, it is ±0.5 V.
  • Step 3: Recognize that the maximum possible error in a measurement is represented by the absolute uncertainty.
  • Step 4: Conclude that the maximum possible error in this voltage measurement is ±0.5 V.
  • Voltage Measurement – Understanding how to interpret voltage readings and their associated uncertainties.
  • Uncertainty in Measurements – Recognizing the concept of absolute uncertainty and how it relates to maximum possible error.
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