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A battery of emf 10 V and internal resis...

A battery of emf 10 V and internal resistance `3 Omega` is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?

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`17 Omega , 8.5 Omega`
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Knowledge Check

  • A battery of emf 15 V and internal resistance of 4Omega is connected to a resistor. If the current in the circuit is 2A and the circuit is closed. Resistance of the resistor and terminal voltage of the battery will be

    A
    `2.5Omega,6V`
    B
    `3.5Omega,6V`
    C
    `2.5Omega,7V`
    D
    `3.5Omega,7V`

  • A battery having 12V emf and internal resistance 3Omega is connected to a resistor. If the current in the circuit is 1A, then the resistance of resistor and lost voltage of the battery when circuit is closed will be

    A
    `7Omega,7V`
    B
    `8Omega,8V`
    C
    `9Omega,9V`
    D
    `9Omega,10V`
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