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BARC EE : Electromagnetic Fields Quiz-1
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Question 1
If the magnitude of electrical field between parallel plate capacitor is reduced to half of the previous value, then stored energy will:
Question 2
If magnetic flux through each turn of the coil consisting of 1000 turns is
, where t is in seconds, then the induced emf in coil at
is
![](https://gradeup-question-images.grdp.co/liveData/PROJ55899/1597904466244433.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ55899/1597904467042698.png)
Question 3
Consider the following two points M(2, 5, –3) and N(–3, 1, 4) The distance from the origin to the mid-point of the line MN will be nearly
Question 4
The components of
along
is
![](https://gradeup-question-images.grdp.co/liveData/PROJ86631/1628229041146450.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ86631/16282290418978.png)
Question 5
An electric dipole is being placed in an electric field intensity
.
![](https://gradeup-question-images.grdp.co/liveData/PROJ73980/1615179903994453.png)
If the moment of the dipole will be
. Find the energy of dipole.
Question 6
The concept of time varying electric field producing a magnetic field is given by
Question 7
If
and
, where
is not a null vector then
![](https://gradeup-question-images.grdp.co/liveData/PROJ55899/1597904495615548.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ55899/1597904496338769.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ55899/1597904497061456.png)
Question 8
Two vectors V1 and V2 are orthogonal if their dot product is
Question 9
A co-axial conductor has 1C charge and the potential difference between inner and outer cylinder is 1 V. If the outer radius is 4 cm and inner radius is 2 cm. The length of the conductor is (er = 4)
Question 10
A semi-infinite conductor lying on z-axis in the
direction from origin to infinity. Find magnetic field intensity at a point (4, 3, 0) if the current in conductor is 10 A.
![](https://gradeup-question-images.grdp.co/liveData/PROJ49320/1600507462165995.png)
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