A 0.5 Ω resistance is required to be connected in parallel to a moving coil instrument whose full scale deflection is 1 mA; so that this instrument can measure 10 mA current. Internal resistance of this instrument is

A 0.5 Ω resistance is required to be connected in parallel to a movin

1.	A 0.5 Ω resistance is required to be connected in parallel to a moving coil instrument whose full scale deflection is 1 mA; so that this instrument can measure 10 mA current. Internal resistance of this instrument is
A.	5.0 Ω
B.	4.5 Ω
C.	2.25 Ω
D.	0.45 Ω
Answer» C. 2.25 Ω

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A 0.5 Ω resistance is required to be connected in parallel to a moving coil instrument whose full scale deflection is 1 mA; so that this instrument can measure 10 mA current. Internal resistance of this instrument is

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