Engine_2014 : Electricity - 676/2299
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| Before measuring an unknown resistance with an analog multimeter set up as an ohmmeter, what should you do? |
| A) adjust the meter's pointer to mid-scale |
| B) short the test leads and calibrate the meter reading to 'zero' |
| C) change the meter's batteries |
| D) center the meter's pointer at infinity |
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