Multi-range DC Voltmeter Homework Design (0-250) V, (0- 400 V) and (0-700)V multi range DC voltm eter available is Rm=1KQ, 100 HA. ample 3.4. A basic D'Arsonval movement with a full deflection of 50 . mce of 500 2 is used as a voltmeter. Determine the value of the multiplier res sure a voltage range of 0-10 V. Example 3.5. Calculate the value of multiplier resistance for the multiple range mit shown in Fig 3.13.

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Rg-(mg-m)Ra(2500-- 500) x 100 2-200 k2,
Ra- (m4-ma)Ru -(5000-2500) x 100 2-2s0 ka.
and
Multi-range DC Voltmeter Homework
Design (0-250) V, (0-400 V) and (0-700)v multi range DC voltmeter.,
the meter available is Rm-1KO, 100 µA.
Example 3.4. A basic D'Arsonval movement with a full deflection of 50 µA and internal
resistance of 500 2 is used as a voltmeter. Determine the value of the multiplier resistance needed
to measure a voltage range of 0-10 V.
Example 3.5. Calculate the value of multiplier resistance for the multiple range de voltmeter
circuit shown in Fig 3.15.
۳ مارس
R, R R
- 50 uA
R= 1 k2
10 V
5V
50 V
Fig. 3.15.
Transcribed Image Text:ww ww Rg-(mg-m)Ra(2500-- 500) x 100 2-200 k2, Ra- (m4-ma)Ru -(5000-2500) x 100 2-2s0 ka. and Multi-range DC Voltmeter Homework Design (0-250) V, (0-400 V) and (0-700)v multi range DC voltmeter., the meter available is Rm-1KO, 100 µA. Example 3.4. A basic D'Arsonval movement with a full deflection of 50 µA and internal resistance of 500 2 is used as a voltmeter. Determine the value of the multiplier resistance needed to measure a voltage range of 0-10 V. Example 3.5. Calculate the value of multiplier resistance for the multiple range de voltmeter circuit shown in Fig 3.15. ۳ مارس R, R R - 50 uA R= 1 k2 10 V 5V 50 V Fig. 3.15.
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