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Shunt needed to convert a galvanometer into an ammeter

This type of question, asked 6 times: 29 Jan 2024, 1 Feb 2024, 5 Apr 2024, 9 Apr 2024, 23 Jan 2025, 24 Jan 2026 S2. All 6 questions below, oldest first.

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  1. Question 1

    29 Jan 2024

    12
    A galvanometer having coil resistance 10Ω10\Omega shows a full-scale deflection for a current of 3 mA3\text{ }mA. For it to measure a current of 8 A8\text{ }A, the value of the shunt should be:

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  2. Question 2

    1 Feb 2024

    91
    In an ammeter, 5%5\% of the main current passes through the galvanometer. If resistance of the galvanometer is G, the resistance of ammeter will be:

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  3. Question 3

    5 Apr 2024

    94
    A galvanometer of resistance 100Ω100\Omega when connected in series with 400Ω400\Omega measures a voltage of upto 10 V10\text{ }V. The value of resistance required to convert the galvanometer into ammeter to read upto 10 A10\text{ }A is x×10−2Ωx \times10^{- 2}\Omega. The value of xx is:

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  4. Question 4

    9 Apr 2024

    15
    A galvanometer has a coil of resistance 200Ω200\Omega with a full- scale deflection at 20μA20\mu A. The value of resistance to be added to use it as an ammeter of range (0−20)mA(0 - 20)mA is:

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  5. Question 5

    23 Jan 2025

    87
    A galvanometer having a coil of resistance 30Ω30\Omega need 20 mA of current for full-scale deflection. If a maximum current of 3 A is to be measured using this galvanometer, the resistance of the shunt to be added to the galvanometer should be 30XΩ\frac{30}{X}\Omega, where X is

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  6. Question 6

    24 Jan 2026 S2

    13
    A moving coil galvanometer of resistance 100Ω100\Omega shows a full scale deflection for a current of 1 mA . The value of resistance required to convert this galvanometer into an ammeter, showing full scale deflection for a current of 5 mA , is ____\_\_\_\_ Ω\Omega

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