हिंदी

The Primary Coil of a Transformer Has 200 Turns While the Secondary Coil Has 1000 Turns. What Type of Transformer is This? If the Input Voltage is 10v, What Will Be the Output Voltage? - Physics

Advertisements
Advertisements

प्रश्न

The primary coil of a transformer has 200 turns while the secondary coil has 1000 turns. What type of transformer is this? if the input voltage is 10V, what will be the output voltage?

योग
Advertisements

उत्तर

The transformer is step-up transformer.

Given: Np = 200, Ns = 1000, Ep = 10, Es = ?

By relation

`"E"_"s"/"E"_"p" = "N"_"s"/"N"_"p"`

`"E"_"s"/10 = 1000/200`

or `"E"_"s" = (10 xx 1000)/200 xx 50` V

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

संबंधित प्रश्न

Find the ratio of primary and secondary currents in terms of turn ratio in an ideal transformer.


Mention various energy losses in transformer device


You are required to make an electromagnet from a soft iron bar by using a cell, an insulated coil of copper wire and a switch. (a) Draw a circuit diagram to represent the process. (b) label the poles of the electromagnet.


The following diagram in Fig. 10.44 shows a coil X connected to a sensitive centre –zero galvanometer G and a coil P connected to a battery through a switch S.

(a) Describe the observation when the switch S is (i) closed suddenly, (ii) then kept closed, (iii) finally opened.
(b) Name and state the law which explains the above observations.


The power supply to the primary coil of a transformer is 200 W. Find
(i) Current in primary coil if the e.m.f. supply to it is equal to 220V.
(ii) The number of turns in the primary coil is equal to 80 and that in secondary is 800. What is the transformation ratio?
(iii) Name the type of transformer.
(iv) What will be the output voltage?
(v) What is the current in the secondary coil for an ideal transformer?
(vi) What is the output power?
(vii) Is output and input power equal?
(viii) Compare the current flowing in a secondary coil and in a primary coil.


A transformer lowers e.m.f. from 220 V to 15 V. If the number of turns in primary are 3520, how many turns are in the secondary coil?


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 output power in step-up transformer used in practice is ______.


A transformer works on the principle of ______.


Magnetic flux Φ in weber in a closed circuit of resistance 10Ω varies with time Φ (sec) as Φ = 6t2 - 5t + 1. The magnitude of induced current at t = 0.25s is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×