Advertisements
Advertisements
प्रश्न
The input and output voltage of a transformer are 220 V and 44 V respectively. Find: the turns ratio.
Advertisements
उत्तर
We know that
`"E"_"p"/"E"_"s" = "N"_"p" / "N"_"s"`
So turns ratio
`"N"_"s" / "N"_"p" = 44/ 220`
= 1.5
APPEARS IN
संबंधित प्रश्न
Why is the core of a transformer laminated?
Complete the following sentence :
……… energy is converted into …………energy by an electric motor.
Explain why an induced current must flow in such a direction so as to oppose the change producing it.
Why is the iron core of a transformer made laminated (thin sheets) instead of being in one solid piece?
Can a transformer be used with direct current source? Give reason.
Copy the given diagram of a transformer and complete it. Name the parts A and B. Name the part you have drawn to complete the diagram. What is the material of this part? Is this transformer a step-up or step-down? 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 ______.
Which among the following, is not a cause for power loss in a transformer?
A transformer operating at primary voltage 8 kV and secondary voltage 160 V serves a load of 80 kW. Assuming the transformer to be ideal with purely resistive load and working on unity power factor, the loads in the primary and secondary circuit would be:
Which winding is the output coil connected to the load?
