Electric Measurements Question Pmmc

[meagaman]

A series ohmmeter with mid scale design of 5000 ohms has a worn battery. The technician decided to use it as is even though it reads 500 ohms instead of zero when the ohmmeter leads are shorted. When the meter is connected to a certain resistance, the scale reading is 30000 ohms. What is the actual value of this resistance? Two different solutions ( that lead to same result) are, at least required.

I am asked to answer this question with 4 different ways with steps... help please!

Thank you in ADVANCE :)

[Old_Geezer]

Well one answer would be to assume a 500 ohm permanent offset to the meter and deduct that from the reading.

Unsure apart that. My reaction would be to tell the technician that he needs to go buy a new meter. 4 ways but 2 solutions the same ? Not sure I can square those two requirements.

[vascop]

i don't want to do your homework for you! What's the point? You learn nothing, I learn nothing. I just feel superior and clever.
So here are some clues which I hope are correct.
1. Correct the zero reading manually by shorting out the leads and making sure the needle points to zero and then measure the resistance.
2. Leave the meter as it is and take a reading and then use ohm's law.

[jomifl]

You could use a reference resistance to adjust your results or if you have a potentiometer that can be adjusted to give the same resistance as the test piece then connect them in series and make adjustments to the results according to the readings your ohmeter gives.

[vascop]

If you are stuck, look here:
http://tinyurl.com/nj28kvl

[dekkypoo]

I can't really see why you would "feel superior" Vascop. You didn't even read the question fully !!

[vascop]

When I said I would feel superior and clever I was taking the mickey out of myself!
Why do you think I didn't read the question?

[Zeid]

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