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Free Online Mock Physics Multiple Choice Test on Electro Statics
Sub Category : Electro Statics Test : 1 Time Left :
1)An electric charge in uniform motion produces
(1) An electric field only (2) A magnetic field only (3) Both electric and magnetic fields (4) Neither electric nor magnetic field
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2) An electric dipole when placed in a uniform electric field will have minimum potential energy, if the positive direction of dipole moment makes the following angle with vector E:(1) π radian (2) π/2 radian (3) zero (4) 3π/2 radian
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3)Electric lines of force about negative point charge are
(1) Cicular,anticlockwise (2) Circular, clockwise (3) Radial,inward (4) Radial, outward
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4) ABC is an equilateral triangle. Charges +q are placed at each corner. The electric intensity at O will be (1) 1/4πε0.q/r² (2) 1/4πε0.q/r (3) zero (4) 1/4πε0.3q/r²
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5) An electric line of force in the xy plane is given by equation x² + y² =1. A particle with unit positive charge, initially at rest at the point x = 1. y = 0 in the x-y plane will(1) Not move at all (2) Move at all (3) Move along the circular line of force (4) None of these
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