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प्रश्न
Name the principle on which functioning of a transformer depends.
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उत्तर
The functioning of a transformer depends on the phenomenon of electromagnetic induction.
संबंधित प्रश्न
Write the function of a transformer.
State the principle of transformer working with the help of a diagram
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A transformer lowers e.m.f. from 220 V to 15 V. If 400 W power is given in primary, calculate (i) the current in primary coil and (ii) the current in secondary coil.
Explain the working of the transformer.
Mention the various energy losses in a transformer.
The primary coil of a transformer has 800 turns and the secondary coil has 8 turns. It is connected to a 220 V ac supply. What will be the output voltage?
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If a current of 5A flows in the primary coil, how much current will flow in a load in the secondary coil? State the assumption you have made regarding the transformer, in this calculation.
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?
