A transformer has 200 windings in the pr...

A transformer has 200 windings in the primary and 400 windings in the secondary. The primary is connected to an a.c. supply of 110 V and a current of 10 A flows in it The voltage across the secondary and the current in its respectively are

55 V, 20 A

440 V, 5 A

220V,10A

220 V, 5A

Text Solution

Verified by Experts

Topper's Solved these Questions

TEXTUAL QUESTIONS
MODERN PUBLICATION|Exercise EXERCISE|507 Videos
STRUCTURE OF NUCLEUS
MODERN PUBLICATION|Exercise EXERCISE|47 Videos
TEXUAL QUESTIONS
MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

A transformer of 100% efficiency has 500 turns in the primary and 10,000 turns in the secondary coil. If the primary is connected to 220V mains supply, what is the voltage across the secondary coil?

A pure inductor of 50 mH is connected to an a.c. supply of 220 V and frequency 50 Hz. Find its r.m.s. current and peak current.

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an ac supply of 20V,50Hz. The secondary will have an output of

A 60 W load is connected to the secondary of a transformer whose primary draws line voltage. If a current of 0.54 A flows in the load, what is the current in the primary coil?

In a transformer, number of truns in the primary is 140 and that in th secondary is 280. If current is primary is 4 A, then that in the secondary is

A resistor and a capacitor are connected to an ac supply of 200 V, 50 Hz, in series. The current in the circuit is 2A. If the power consumed in the circuit is 100 W then the resistance in the circuit

An ideal transformer has 5,000 turns on its primary coil . It is to be used to convert a mains supply of 230 V.to an alternating voltage having a peak value of 9.0 V. Calculate the number of turns on the secondary coil.

A pure inductance of 1.0 H is connected across a 110V - 70Hz source. Find current

A transformer has an efficiency of 80%. It works at 4 kilowatt and 100 volt. If the secondary voltage is 240 volt, calculate the primary and secondary currents.

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE

A transformer has 200 windings in the primary and 400 windings in the ...
Text Solution
|
For current entering at A, the electric field E(r at a distance r form...
Text Solution
|
A material 'B' has twice the specific resistance of 'A'. A circular wi...
Text Solution
|
The length of a given cylindrical wire is increased by 100%. Due to th...
Text Solution
|
If a wire is stretched to make it 0.1% longer, its resistance of will
Text Solution
|
An electric current is passed through a circuit containing two wires o...
Text Solution
|
By increasing the temperature, the specific resistance of a conductor ...
Text Solution
|
A strip of copper another of germanium are cooled from room temperatur...
Text Solution
|
The difference in the variation o resistance with temperature in a met...
Text Solution
|
The thermistors are usually made of
Text Solution
|
The resistance of a bulb filmanet is 100Omega at a temperature of 100^...
Text Solution
|
The resistance of a wire is 5 ohm at 50^@C and 6 ohm at 100^@C. The re...
Text Solution
|
The resistance of hot tungsten filament is about 10 times the cold res...
Text Solution
|
An electric bulb is rated 220 V and 100 W. when it is operated on 110 ...
Text Solution
|
An 220 volt-1000 watt bulb is connected across a 110 volt mains supply...
Text Solution
|
A heater coil is cut into two equal parts and only one part is now use...
Text Solution
|
If in the circuit, power dissipation is 150 W, then R is
Text Solution
|
A wire when connected to 220 V mains supply has power dissipation P1. ...
Text Solution
|
The resistance of the series combination of two resistances is S. WHen...
Text Solution
|
A 3 V battery with negligible internal resistance is connected in a ci...
Text Solution
|
What will be the value of current through 2Omega resistance for the ci...
Text Solution
|