in a step-up transformer, the turn ratio...

in a step-up transformer, the turn ratio is `1:2` leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage devloped in the secondary would be

`3.0 V`

`0.75 V`

`1.5 V`

Zero

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

in a step-up transformer, the turn ratio is 1:2A leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage devloped in the secondary would be

In a step up transformer, the turn ratio is 3 : 2. A battery of EMF 4.5V is connected across the primary windings of transformer. The voltage developed in the secondary would be:

A step up transformer has turn ratio 10:1 . A cell of e.m.f 2 volts is fed to the primary . Secondary voltage developed is :

In a step up transformer, the turn ratio is 1:10. A resistance of 200 Omega connected across the secondary draws a current of 0.5 A. What is the primary voltage?

In a step-up transformer the turn ratio is 1:10 . A resistance of 200 ohm connected across the secondary is drawing a current of 0.5A . What is the primary voltage and current?

In a stepup transformer, the ratio of number of turns in primary and secondary coils is 1 : 10 . What voltage will develop in the secondary if the primary is connected to 220 V mains ? If the current drawn from the secondary is 2A, calculate the current through the primary

For a step-up transformer,the turns ratio is 3 and its efficiency is 0.75. The current flowing in the primary coil is 2A and the voltage applied to it is 100V . Then the voltage and the current flowing in the secondary coil are ............respectively :-

In a transformer the transformation ratio is 0.3. If 220 V ac is fed to the primary, then the voltage across the secondary is

ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET

in a step-up transformer, the turn ratio is 1:2 leclanche cell (e.m.f....
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
|