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The overall efficiency of a transformer ...

The overall efficiency of a transformer is 90%. The transformer is rated for an output of 9000 watt. The primary voltage is 1000 vot. The ratio of turns in the primary to the secondary coil is 5: 1. The iron losses at full ioad are 700 watt. The primary coil has a resistance of 1 ohm
In the above, the current in the primary coil is:

A

9amp

B

10amp

C

1amp

D

4.5amp

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The overall efficiency of a transformer is 90%. The transformer is rated for an output of 9000 watt. The primary voltage is 1000 vot. The ratio of turns in the primary to the secondary coil is 5: 1. The iron losses at full ioad are 700 watt. The primary coil has a resistance of 1 ohm In the above, the current in the secondary coll is :

The overall efficiency of a transformer is 90%. The transformer is rated for an output of 9000 watt. The primary voltage is 1000 vot. The ratio of turns in the primary to the secondary coil is 5: 1. The iron losses at full ioad are 700 watt. The primary coil has a resistance of 1 ohm The voltage in secondary coil is:

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  • The overall efficiency of a transformer is 90%.The transformer is rated for an output of 9000 watt.The primary voltage is 1000 volt.The ratio of turns in the primary to the secondary coil is 5:1.The iron losses at full load are 700 watt.The primary coil has a resistance of 1ohm. In the above, the copper loss in the primary coil is

    A
    400 W
    B
    200 W
    C
    100 W
    D
    300 W

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