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QAIPMT-2007-Ph-2366: NEET 2007 Physics - Class 12 AIPMT-2007-Ph-2366 Solution: The resistance of an ammeter is \(13 \) and its scale is…

The resistance of an ammeter is 13Ω13\Omega and its scale is graduated for a current upto 100 amps. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

Multiple Choice Options

  • A 2Ω2\Omega
  • B 0.2Ω0.2\Omega
  • C 2 kΩ2\ \text{k}\Omega
  • D 20Ω20\Omega

Step-by-Step Verified Solution

We know I I S = 1 + G S 750 100 = 1 + 13 S _ S = 2 �

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