Some magnetic flux is changed from a coi...

Some magnetic flux is changed from a coil of resitance `10 Omega`. As a result, an induced current is developed it, which varies with time as shown in Fig. 3.213. Find the magnitude of the change in flux through ythe coil in weber.

`8`

`2`

`6`

`4`

Text Solution

Verified by Experts

The correct Answer is:

`I=|(1)/(2)(dphi)/(dt)|`
`|sphi|=|Irdt|`
`dphi=("area of triangle")xxR`
`=(1)/(20xx4xx0.1)xx10=2Wb`

Topper's Solved these Questions

ELECTROMAGNETIC INDUCTION
A2Z|Exercise AIIMS Questions|27 Videos
ELECTROMAGNETIC INDUCTION
A2Z|Exercise Section D - Chapter End Test|30 Videos
ELECTROMAGNETIC INDUCTION
A2Z|Exercise Section B - Assertion Reasoning|31 Videos
ELECTRIC POTENTIAL & CAPACITANCE
A2Z|Exercise Section D - Chapter End Test|29 Videos
ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM
A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

Some magnetic flux is changed from a coil resistance 10Omega . As a result an induced current developed in it. Which varies with time as shown figure, The magnitude of changes f in flux through the coil (in webers) is

In a coil of resistance 10 ohm , the induced current developed by changing magnetic flux through it, is shown in figure as a function of time . The magnitude of change in flux through the coil (in weber) is __

In a coil of resistance 100 Omega , a current is induced by changing the magnetic flux through it as shown in the figure. The magnitude of change in flux through the coil is

The magnetic flux linked to a coil of 10 turns changes by 40 mWb in a time of 2 ms. The magnitude of the induced emf produced in the coil is

The magnetic flux linked with a coil varies with time as phi=3t^(2)+4t+9 webers. The induced emf at t=2s is

For a coil rotating in a uniform magnetic field, in which position of the coil is the emf induced in the maximum? What is the magnetic flux through the coil in this position?

A2Z-ELECTROMAGNETIC INDUCTION-AIPMTNEET Questions

As a rejult of change in the magnetic flux linked to the closed loop s...
Text Solution
|
Two coils of self-inductance 2mH and 8 mH are placed so close togethe...
Text Solution
|
A long solenoid has 500 turns. When a current of 2A is passed through ...
Text Solution
|
A rectangular, a square , a circular and an elliptical loop, all in th...
Text Solution
|
A conducting circular loop is placed in a uniform magnetic field 0.04T...
Text Solution
|
A conducting circular loop is placed in a uniform magnetic field, B=0....
Text Solution
|
The current i in a coil varies with time as shown in the figure. The v...
Text Solution
|
A coil of resistance 400Omega is placed in a magnetic field. If the ma...
Text Solution
|
Some magnetic flux is changed from a coil of resitance 10 Omega. As a ...
Text Solution
|
A wire loop is rotated in magneitc field. The frequency of change of d...
Text Solution
|
A thin semicircular conducting ring of radius R is falling with its pl...
Text Solution
|
A conducting square frame of side 'a' and a long straight wire carryin...
Text Solution
|
An electron moves on a straight line path XY as shown. The abcd is a a...
Text Solution
|
A sqaure loop ABCD, carrying a current I(2) is placed near and coplan...
Text Solution
|
A long solenoid has 1000 turns. When a current of 4A flows through it,...
Text Solution
|
A uniform magnetic field is restricted with a region of radius r. The ...
Text Solution
|
A long solenoid of diameter 0.1 m has 2 xx 10^(4) turns per meter. At ...
Text Solution
|
Figure shows a circuit that contains three identical resistors with re...
Text Solution
|
The magnetic potential energy stored in a certain inductor is 25mJ, wh...
Text Solution
|
An inductor 20 mH, a capacitor 100muF and a resistor 50Omega are conne...
Text Solution
|