A transformer has 100 turns in the prima...

A transformer has `100` turns in the primary coil and carries `8A` current. If input power is one kilowatt, the number of turns required in the secondary coil to have `500V` output will be

100

200

400

300

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTRO MAGNETIC INDUCTION
ERRORLESS |Exercise OT|3 Videos
ELECTRO MAGNETIC INDUCTION
ERRORLESS |Exercise Motional EMI|1 Videos
CURRENT ELECTRICITY
ERRORLESS |Exercise Self Evaluation Test -19|23 Videos
ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS
ERRORLESS |Exercise Self Evaluation Test|3 Videos

Similar Questions

Explore conceptually related problems

A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If a voltage of 200V is applied across the primary coil , then the voltage in the secondary coil is :

In a transformer, number of turns in the primary coil are 140 and that in the secondry coil are 280. If current i primary coil is 4A, then that in the secondary coil is

The coils of a step down transformer have 500 and 5000 turns. In the primary coil an ac of 4 ampere at 2200 volts is sent. The value of the current and potential difference in the secondary coil will be

A transformer consisiting 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:

A transformer has turn ration 100//1 . If secondary coil has 4amp current then current in primary coil is

A transformer has 100 turns in the primary and 500 turns in the secondary. If the primary is connected to 220V DC supply, then the voltage develop across the secondary will be

In a transformer, the number of turns in primary and secondary are 500 and 2000 respectively. If current in primary is 48A , the current in the secondary is

ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET

A transformer has 100 turns in the primary coil and carries 8A current...
Text Solution
|
The figure shows four wire loops, with edge length of either L or 2L. ...
Text Solution
|
A circular coil and a bar magnet placed nearby are made to move in the...
Text Solution
|
A square coil ABCD lying in x-y plane with its centre at origin. A lon...
Text Solution
|
A short magnet is allowed to fall from rest along the axis of a horizo...
Text Solution
|
The horizontal component of the earth's magnetic field at a place is 3...
Text Solution
|
A copper disc of radius 0.1 m rotates about its centre with 10 revolut...
Text Solution
|
A coil of Cu wire (radius r, self-inductance L) is bent in two concen...
Text Solution
|
In which of the following circuits is the current maximum just after t...
Text Solution
|
A small coil is introduced between the poles of an electromagnet so th...
Text Solution
|
Two circular coils A and B are facing each other as shown in figure. T...
Text Solution
|
A conductuing loop having a capacitor is moving outward from the magne...
Text Solution
|
A straight wire of length L is bent into a semicircle. It is moved in ...
Text Solution
|
If in a coil rate of change of area is (5meter^(2))/(milli second)and ...
Text Solution
|
In series with 20 ohm resitor a 5 henry inductor is placed. To the com...
Text Solution
|
Two circular coils P & Q are coaxially & carry currents I1 and I2 resp...
Text Solution
|
The phase difference between the flux linkage and the induced e.m.f. i...
Text Solution
|
A pair of parallel conducting rails lie at right angle to a uniform ma...
Text Solution
|
The magnetic field in the cylindrical region shown in figure increase ...
Text Solution
|
An aircraft with a wingspan of 40 m flies a speed of 1080 km hr(1) in ...
Text Solution
|
A hundred turns of insulated copper wire are wrapped around an iron cy...
Text Solution
|