Pre Lab 6

Here are some help for Pre lab 6!


Part 1

  • This is a simple Uncertainties Calculations with Ohm Laws. Use the formula:

\[R = \frac{\Delta{V}}{I}\]
  • Use the rules of multiplications to finish the question.

Attention

Read the question carefully for which terms should be present!

Part 2

  • A circular cross-section should give you the sense of the formula for A:

\[A = \pi r^2\]
  • Now, obtain the formula in term of d (diameter) and the uncertainty for A.

Tip

Use the power rule for this task!

  • Next, we need to find uncertainty for the inverse of A:

\[x = A^{-1}\]
  • Hopefully, you see it is applied with the rules of multiplication.