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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
Draw a labeled diagram of a step-down transformer.
State the principle of transformer working with the help of a diagram
Why is the core of a transformer laminated?
Explain the significance of Lenz’s law to show the conservation of energy in electromagnetic induction.
The input and output voltage of a transformer are 220 V and 44 V respectively. Find: the turns ratio.
Can a transformer be used with direct current source? Give reason.
A circular coil of 100 turns with a cross-sectional area of 1 m2 is kept with its plane perpendicular to the magnetic field of 1 T. The magnetic flux linkage is ______.
The line that draws power supply to your house from street has ______.
- zero average current.
- 220 V average voltage.
- voltage and current out of phase by 90°.
- voltage and current possibly differing in phase `phi` such that `|phi| < pi/2`.
A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 kW. If the current in the secondary coil is 10 A, then the input voltage and current in the primary coil are ______.
What is a transformer?
