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What is the resistance of an ideal ammet...

What is the resistance of an ideal ammeter?

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The resistance of an ideal ammeter is zero.
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Knowledge Check

  • This question has statement I and statement II. Of the four choices given after the statements, choose the one that best describes the two statements. Statement-I : Higher the range, greater is the resistance of ammeter. Statement-II : To increase the range of ammeter, additional shunt needs to be used across it.

    A
    Statement-I is true, Statement-II is true, Statement-II is not the correct explanation of Statement-I.
    B
    Statement-I is true, Statement-II is false.
    C
    Statement-I is false, Statement-II is true.
    D
    Statement-I is true, Statement-II is true, Statement-II is the correct explanation of Statement-I.

  • In an ammeter 10% of main current is passing through the galvanometer. If the resistance of the galvanometer is G, then the shunt resistance, in ohms is

    A
    9G
    B
    `G//9`
    C
    `90G`
    D
    `G//90`

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    An ammeter of resistance 0.80 Omega can measure current upto 1.0 A. (i) What must be the value of shunt resistance to enable the ammeter to measure current upto 5.0 A ? (ii) What is the combined resistance of the ammeter and the shunt ?

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    In an ammeter 4% of the mains current is passing through galvanometer. If the galvanometer is shunted with a 5 Omega resistance. The resistance of the galvanometer is

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