A basic D’ Arsonval movement showing full-scale deflection for a cur – McqOptions

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1.	A basic D’ Arsonval movement showing full-scale deflection for a current of 50 μA and having an internal resistance of 500 Ω is used as a voltmeter. What is the value of multiplier resistance needed to measure a voltage range of 0 – 20 V?
A.	398.5 kΩ
B.	399 kΩ
C.	399.5 kΩ
D.	400 kΩ
Answer» D. 400 kΩ

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