Home
Class 12
PHYSICS
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 loss in the primary coil is:

A

100watt

B

700watt

C

200watt

D

1000watt

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE|Exercise EXERCISE-13|1 Videos
  • ALTERNATING CURRENT

    RESONANCE|Exercise EXERCISE-14|1 Videos
  • ALTERNATING CURRENT

    RESONANCE|Exercise EXERCISE-11|1 Videos
  • ATOMIC PHYSICS

    RESONANCE|Exercise Advanved level problems|17 Videos

Similar Questions

Explore conceptually related problems

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:

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 :

Knowledge Check

  • 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 1 ohm . In the above, the copper loss in the primary coil is

    A
    `100` watt
    B
    `700` watt
    C
    `200` watt
    D
    `1000` watt
  • 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 1 ohm . In the above, the current in the primary coil is

    A
    `9` amp
    B
    `10` amp
    C
    `1` amp
    D
    `4.5` amp
  • 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 1 ohm . In the above, the copper loss in the secondary coil is

    A
    `100` watt
    B
    `700` watt
    C
    `200` watt
    D
    `1000` watt
  • Similar Questions

    Explore conceptually related problems

    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 resistance of the secondary coil is approximately

    The secondary coil of an ideal step down transformer is delivering 500 W power at 12.5 A current. If the ratio of turns in the primary to the secondary is 5: 1 , then the current flowing (in ampere) in the primary coil will be

    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:

    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 1 ohm . The voltage in secondary coil is:

    The efficiency of a transformer is 90%. The transformer is rated for output of 9000 W. If the primary voltage is 1000 V and resistance of primary is one ohm then the copper losses in the primary coil will be