Electric Charges and Fields questions
340 published questions with worked solutions.
- Which one of the following can charge an insulator ?
- Which of the following statements correctly explains/explain the existence of a positive force between two electric charges? 1....
- The electric field lines from an isolated positively charged conducting sphere are
- Which one of the following is NOT a basic property of electric charge ?
- A circular disc of radius R carries surface charge density (r) = _0 (1 - r R ), where _0 is a constant and r is the distance from...
- Two identical non-conducting solid spheres of same mass and charge are suspended in air from a common point by two...
- A charge of 4 C is to be divided into two. The distance between the two divided charges is constant. The magnitude of the divided...
- Two point charges A and B of magnitude +8 10^ -6 C and −8 10^ -6 C respectively are placed at a distance d apart. The electric...
- Given below are two statements Statement-I: A point charge is brought in an electric field. The value of electric field at a...
- Two identical metallic spheres A and B when placed at certain distance in air repel each other with a force of F. Another...
- Two point charges Q each are placed at a distance d apart. A third point charge q is placed at a distance x from mid-point on the...
- A positive charge particle of 100 mg is thrown in opposite direction to a uniform electric field of strength 1 10^ 5 NC^ -1 . If...
- A capacitor of capacitance C is charged to a potential V. The flux of the electric field through a closed surface enclosing the...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : If an...
- A 10 charge is divided into two parts and placed at 1 cm distance so that the repulsive force between them is maximum. The...
- A thin infinite sheet charge and an infinite line charge of respective charge densities + and + are placed parallel at 5 m...
- If two charges q_1 and q_2 are separated with distance 'd' and placed in a medium of dielectric constant K. What will be the...
- In a cuboid of dimension 2L × 2L × L, a charge q is placed at the center of the surface 'S' having area of 4L^2. The flux through...
- A point charge q_1=4q_0 is placed at origin. Another point charge q_2=-q_0 is placed at x = 12 cm. Charge of proton is q_0. The...
- Consider a neutral conducting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then,
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