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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
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
Question 5
An electric dipole is being placed in an electric field intensity .
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
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.
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Aug 3ESE & GATE EE