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The ratio of the number of turns in the primary and the secondary coils of a step down transformer is `1:200`. It is connected to a.c. mains of 200 V. Calculate the voltage developed in the secondary. Determine the value of maximum current in the secondary, when a current of 2.0 A flows through the primary.

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Knowledge Check

  • The number of turns in the primary and secondary coils of a transformer are 200 and 800 respectively. If the voltage developed across the secondary is 240 V, then the potential difference across each turn of the primary will be

    A
    `0.1 V//turn`
    B
    `0.2 V//turn`
    C
    `0.3 V//turn`
    D
    `0.5 V//turn`

  • A transformer has 100 turns in the primary and 500 turns in the secondary. If the primary is connected to 220V DC supply, then the voltage develop across the secondary will be

    A
    A. 2200 V
    B
    B. 1100 V
    C
    C. zero
    D
    D. 44 V

  • The number of turns in primary and secondary coils of a transformer is 50 and 200 respectively. If the current in the primary coil is 4 A, then the current in the secondary coil is

    A
    5A
    B
    2A
    C
    4A
    D
    5A

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    The number of turns in primary and secondary coils of a transformer is 50 and 200, respectively. If the current in the primary coil is 4 A, then current in the secondary coil is

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