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GATE 2022 : Electromagnetic Theory Quiz 4
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Question 1
Which of the following represent the correct expression of magnetic energy density?
Question 2
The tangential component of magnetic field intensity at the interface between two surface is
Question 3
A magnetic field
exist at a point. If a test charge moving
experience no force at a certain point, the electric field at that point will be
![](https://gradeup-question-images.grdp.co/liveData/PROJ91591/1634708106357746.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ91591/1634708107027555.png)
Question 4
The energy stored in a solenoid is 25 J. It is 20 cm long and has a diameter of 3 cm and wound with 1500 turns of wire. Determine the approximate current carried by the solenoid. (Consider π2 ≈ 10)
Question 5
A coil is linked with a varying magnetic flux
If at time t = 5 sec the emf induced is 10 V. then the value of a is
![](https://gradeup-question-images.grdp.co/liveData/PROJ86068/1629712085930587.png)
Question 6
Two infinitely long wires at x = 0 and x = 2 carries steady current of 10A flowing in +y direction. The magnetic field density
at (4, 0, 0) is
![](https://gradeup-question-images.grdp.co/liveData/PROJ86068/1629712071353411.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ86068/1629712072053766.png)
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Nov 9ESE & GATE EE