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In PMMC series type ohmmeter the zero adjustment should be done by: a- changing shunt resistance b- changing series resistance c- both a and b d- none

In PMMC series type ohmmeter the zero adjustment should be done by: a- changing shunt resistance b- changing series resistance c- both a and b d- none
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11 votes
In PMMC series type ohmmeter the zero adjustment should be done by:

a- changing shunt resistance
b- changing series resistance
c- both a and b
d- none

User Rjcarl
by
7.6k points

1 Answer

8 votes
Series type Ohmmeter
By adjusting R2 the meter is adjusted to a full-scale current value since the resistance will be zero at that time.
User OferR
by
7.9k points
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