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प्रश्न
Name the transformer used in the power transmitting station of a power plant.
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उत्तर
A step-up transformer is used in the power transmitting station of a power plant.
संबंधित प्रश्न
Express the turn ratio in terms of voltages.
State the principle of transformer working with the help of a diagram
The following diagram in Fig.10.42 shows a coil of several turns of copper wire connected to a sensitive centre zero galvanometer G near a magnet NS. The coil is free to move in the direction shown in the diagram.
(i) Describe the observation if the coil is rapidly moved.
(ii) How would the observation be altered if (a) the coil has twice as many turns (b the coil was made to move three times as fast?
Mention the two characteristic properties of the material suitable for making core of a transformer.
State the principle of a step-up transformer. Explain, with the help of a labeled diagram, its working ?
What is a transformer? On what principle does it work?
An ideal transformer has 100 turns in the primary and 250 turns in the secondary. The peak value of the AC is 28 V. The rms secondary voltage is nearest to ______
A step-down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
