Mathematics · Electrical Measuring Instruments
A PMMC device with 200 Ω internal resistance (coil resistance) has a full scale deflection current of 1 mA. This device is to be converted into a voltmeter to measure 20 V. Calculate the value of the multiplier resistance required.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118,800 ohms
- 218,000 ohms
- 319,800 ohms✓
- 41,980 ohms
Correct answer
19,800 ohms
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