Electrical Engineering - Series-Parallel Circuits - Discussion
Discussion Forum : Series-Parallel Circuits - General Questions (Q.No. 1)
1.
The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is
20,000 
100,000
200,000
1,000,000
Discussion:
32 comments Page 4 of 4.
Kamal Yadav said:
5 years ago
According to voltmeter sensitivity(ohm/volt),
S=total voltmeter res./ full scale reading=Rm/Vfs.
or, Rm = S*Vfs = 20000*5 = 100,000 ohm.
S=total voltmeter res./ full scale reading=Rm/Vfs.
or, Rm = S*Vfs = 20000*5 = 100,000 ohm.
(1)
MD.SHAHINUR said:
3 years ago
Excellent explanation, thanks all.
(4)
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