Measurement and Instrumentation

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

  • A. 49.99 Ohms
  • B. 1/49.99 ohms
  • C. 1 Ohm
  • D. 2 Ohms
Answer: Option B.

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