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Answer :

The internal resistance of the ammeter should ideally be Zero.

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Last Answer : An ammeter has a current change of 0—5A and its internal resistance is 0.2 ohm. In order to Change the range to 0-25 A, wear need to add a resistance of 0.05 ohm in parallel with the meter

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Description : A 10A DC Ammeter has a resistance of 0.1 Ω is to be extended to 50 A, the required shunt wire is A) Manganin wire of 20 m Ω B) Constantan wire of 20 m Ω C) Manganin wire of 25 m Ω D) Constantan wire of 25 m Ω

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Description : Ideally, the damping torque should be  (1) Proportional to velocity of the moving system and operating current.  (2) Proportional to the velocity of the moving system but independent of operating ... operating current.  (4) Independent of the velocity of the moving system and operating current.

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Description : In the circuit shown in Fig. 4.64, the battery has an emf of 12.0 V and an internal resistance of `5R//11`. If the ammeter reads 2.0 A, what is the va

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Last Answer : Answer: A

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Last Answer : Answer: C

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Description : A neon flashlight cell with an emf of 1.5V gives a current of 15A when connected directly to an ammeter of resistance 0.04?. Internal resistance of the cell is a. 0.0004? b. 0.06? c. 0.10? d. 0.13?

Last Answer : b. 0.06?

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Last Answer : Either  a  or   b.

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Last Answer : An ammeter is a secondary instrument.

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Last Answer : Yes it can...

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Last Answer : Feel Free to Answer

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