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some meter and circuit questions i dont understand....?
2. a) When calculating the uncertainty of an Analog Meter, do you apply the specified accuracy figure (in ± %) to the Full Scale or Indicated reading?
b) In an analog meter, how is human error accounted for in the uncertainty calculation?
3. What is the internal resistance of an a) ideal voltmeter & b) ideal ammeter? Explain.
4. What is the internal resistance of the Simpson Voltmeter adjusted to 25 V DC range? What is the internal resistance of the Fluke digital voltmeter adjusted to 200 V DC range?
6. a) Briefly explain the concept of the Maximum Power Transfer Theorem.
2a. The specification will say, something like "1% of FS" or "0.5% of reading" or both. If it doesn't, you have to query the manufacturer.
2b) You have to look at the divisions on the scale. Usual error is ± 1/2 division.
3) infinite, and zero resistance
4) Don't know, what are the specs of the meters?
5) maximum power is transferred when the load resistance equals the source impedance. This only applies when you can vary the load resistance and the source resistance is fixed.
If you can vary the source resistance and the load resistance is fixed, maximum power is when the source resistance is zero.
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