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Trending Questions
Q. A point charge Q1=300 μC is located at P(1, -1, -3) experiences an attractive force →F1=8^ax−8^ay+4^az N due to point charge Q2 at (3, -3, -2) m. The value of charge Q2 will be
- −12 μC
- −40 μC
- −36 μC
- −20 μC
Q. In a source free region in vacuum, if the electrostatic potential ϕ=4x2+y2+cz2, the value of constant c will be
- 2
- -3
- -5
- 4
Q. Two conducting plate are inclined at an angle 30∘ to each other with a point charge between them. The number of image charges are
- 12
- 11
- 5
- 6
Q. An electrostatic field is said to be conservative when:
- The divergence of the field is equal to zero
- The curl of the field is equal to zero
- The curl of the field is equal to −∂E∂t2
- The Laplacian of the field is equal to μ ε ∂2E∂t2
Q. If the potential given by →V=20sinθr3 in a region, then value of volume charge density ρv at point P(r=2, θ=30∘, ϕ=0∘) will be
- 84.21 pC/m3
- −20.24 pC/m3
- 80.42 pC/m3
- −22.12 pC/m3