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Draw the circuit for experimental verifi...

Draw the circuit for experimental verification of Ohm's law using a source of variable `DC` voltage, a main resistance of `100 Omega`, two galvanometers and two resistances of value `10^6 Omega ` and `10^-3Omega` respectively. Clearly show the positions of the voltmeter and the ammeter.

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The circuit for experimental verification of Ohm's law
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Draw the circuit for experimental verfication of Ohm's law using a source of variable DC voltage, a main resistance of 100 (Omega) , two galvanometers and two resistances of values 10^(6) Omega and 10^-3 respectively. Clearly show the positions of the voltmeter and the ammeter.

Draw the circuit diagram to verify Ohm's Law with the help of a main resistance of 100 Omega and tow galvanometer of resistance 10^6 Omega and 10^(-3)Omega and a source of varying emf. Show the correct positions of volmeter and ammeter.

Knowledge Check

  • A voltmeter of range 0-10V and resistance 200 Omega cannot be used as an ammeter, whose range is

    A
    `0-500 mA`
    B
    `0-250 mA`
    C
    `0-100 mA`
    D
    `0-25 mA`

  • An experiment is performed to calculate the value of an unknown resistance R of range K Omega by using a battery of variable potential difference, a voltmeter of resistance 10^6 Omega and an ammeter of resistance 10^(-3)Omega . Choose the circuit diagram which indicates correctly the position of ammeter and voltmeter so that percentage error in calculation of R is minimum

    A
    B
    C
    D
    none of the above

  • In an ammeter, 10% of the main current is passing through galvanometer, it the galvanometer is shunted with a 10 Omega resistance. What is the resistance of the galvanometer ?

    A
    `20 Omega`
    B
    `50 Omega`
    C
    `90 Omega`
    D
    `100 Omega`

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    The equivalent resistances of a series combination of two resistances is X Omega . If the resistances are of 10 Omega and 40 Omega respectively. The value of X will be:

    How will you join the resistors of resistances 3 Omega, 6 Omega and 8 Omega to get an equivalent resistance of 10 Omega ?

    The figure shows a source (a battery) with an emf E of 12 V with an internal resistance r of 2Omega and an external resistance of 4Omega is added to complete the circuit. What are the voltmeter and ammeter readings

    What is the value of shunt resistance required to convert a galvanometer of resistance 100 Omega into an ammeter of range 1A ? (Given : Full scale deflection of the galvanometer is 5 mA.)

    A galvanometer of resistance 100 Omega is converted to a voltmeter of range 10 y by connecting a resistance of 10 Omega . The resistance required to convert the same galvanometer to an ammeter of range 1 A is

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