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प्रश्न
Devices which is used to convert high alternating current to low alternating current is ______.
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उत्तर
Devices which is used to convert high alternating current to low alternating current is Step down transformer
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संबंधित प्रश्न
A transformer is used to step up an alternating emf of 200V to 440V. If the primary coil has 1000 turns, calculate the number of turns in the secondary coil.
What is the turns ratio i.e., transformer ratio, ns: np, in an ideal transformer which in-creases ac voltage from 220 V to 33000 V?
Can a transformer be used with direct current source? Give reason.
The primary and secondary coils of a transformer each have an inductance of 200 x 10-6 H. The mutual inductance between the windings is 4 x 10-6 H. What percentage of the flux from one coil reaches the other?
Find out the phase relationship between voltage and current in a pure inductive circuit.
Name one electrical device which works on Faraday's law of electromagnetic induction principle.
The primary coil having NP turns of an ideal transformer is supplied with an alternating voltage VP. Obtain an expression for the voltage VS induced in its secondary coil having NS turns.
Which winding is the output coil connected to the load?
What does the secondary coil deliver to the circuit?
What do \[V_s\] and \[V_p\] represent?
