The full-scale deflection current of an ammeter is 1 mA and its internal...

 The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used?
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 The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. If this meter is to have full deflection at 5A, 1/49.99 ohms is the value of the shunt resistance to be used.

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