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Searching result for Electrostatics
In the circuit shown in fig, the ratio of charges on 5\(\mu\)Fand 4\(\mu\)F capacitor:
(A) 4/5 (B) 3/5 (C) 3/8 (D) 1/2
... Read More
A charged particle moves in magnetic field B= 10 i with initial velocity u= 5i +4 j. The path of the particle will be.
(A) Straight line (B) Circle
(C)... Read More
A simple harmonic motion having an amplitude A and time period T is represented by the equation: y=5 sin π( t+4)m Then the values of A (in m) and T (in s) are:
(A) A = 5; T = 2 (B) A = 10; T =... Read More
Two identical coaxial circular loops carry a current I each circulating in the same direction. If the loops approach each other
(A) The current in each will decrease
(B) The current in each... Read More
A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field due to the sphere at a distance r from its center. (1998)
(a) Increases as r increases for... Read More
A positively charged thin metal ring of radius R is fixed in the x-y plane with its centre at the origin O. A negatively charged particle P is released from rest at the point (0, 0,z\(_0\))... Read More
Under the influence of the coulomb field of charge +Q, a charge –q is moving around it in an elliptical orbit. Find out the correct statement(s). (jee 2009)
(a) The angular momentum of the... Read More
The nuclear charge (Ze) is non-uniformly distributed within a nucleus of radius R. The charge density p(r) (change per unit volume) is dependent only on the radial distance r from the center of the... Read More
Statement 1: The flux crossing through a closed surface is independent of the location of enclosed charge.
Statement 2: Upon the displacement of charges within a closed surface, the E at any point... Read More
Statement 1: If a concentric spherical Gaussian surface is drawn inside this spherical shell of charge, electric field (E) at each point of surface must be zero.
Statement 2:In accordance with... Read More
Statement 1: A positive point charge initially at rest in a uniform electric field starts moving along electric lines of forces. (Neglect all other forces except electric forces)
Statement 2:... Read More
A particle of mass m and charge q is thrown in a region where uniform gravitational field and electric field are present. The path of particle
(A) May be a straight line
(B) May be a... Read More
A conducting sphere of radius r has a charge. Then
(A) The charge is uniformly distributed over its surface, if there is an external electric field.
(B) Distribution of charge over its surface... Read More
Two infinite sheets of uniform charge density andï€« \(+\sigma\) and \(-\sigma\) are parallel to each other as shown in the Fig , Electric field at the
(A) Points to the left or to... Read More
Three point charges Q, 4Q and 16Q are placed on a straight line 9 cm long. Charges are laced in such a way that the system has minimum potential energy. Then
(A) 4Q and 16Q must be at the ends and... Read More
Select the correct statement: (Only force on a particle is due to electric field)
(A) A charged particle always moves along the electric lines of force.
(B) A charged particle may move along... Read More
Two fixed charges 4Q (positive) and Q (negative) are located at A and B, the distance AB being 3 m.
(A)The point P where the resultant field due to both is none zero is on AB outside AB.
(B)The... Read More
Mid way between the two equal and similar charges, we placed the third equal and similar charge. Which of the following statements is correct, concerning to the equilibrium along the line joining the... Read More