A hollow metallic sphere of radius 'r' is kept at a potential of 1 volt. The total electric flux coming out of the concentric spherical surface of radius R(>r) is

A hollow metallic sphere of radius 'r' is kept at a potential of 1 vol

1.	A hollow metallic sphere of radius 'r' is kept at a potential of 1 volt. The total electric flux coming out of the concentric spherical surface of radius R(>r) is
A.	4πε0r
B.	4πε0r2
C.	4πε0R
D.	None of the above
Answer» B. 4πε0r2

Discussion

No Comment Found

Related MCQs

A hollow metallic sphere of radius r is kept at potential of 1 Volt. The total electric flux coming out of the concentric spherical surface of radius R (> r) is
A parallel plate capacitor has plates of dimensions 2 cm by 3 cm, separated by a 1 mm thickness of a paper with relative permittivity 3.7. The permittivity of free space, ε0 = 8.85 × 10-12 C2/Nm2. Find the capacitance.
Consider the following:1) Electric current flowing in a conducting wire.2) A moving charged belt3) An electron beam in a cathode-ray tube4) Electron movement in a vacuum tubeWhich of the above are examples of convection current?
An electric field is mentioned as E = (6y2 zax + 12xyz ay + 6xy2 az) V/m an incremental path is represented by ΔL = (-3ax + 5ay – 2az) μm. What is the work done in moving 2μC charge along the path if the location of the path is P(0, 2, 5).
Consider the following statements:The force per unit length between two stationary parallel wires carrying (steady) currents _____.A. is inversely proportional to the separation of wiresB. is proportional to the magnitude of each currentC. satisfies Newton's third lawOut of this _____.
A charge 'Q' is divided between two point charges. What should be the values of this charge on the objects so that the force between them is maximum?
If charge is distributed over a (curved) line, each differential charge dQ along the line produces a differential electric field:
A point charge is located at the origin. At point (a, a), the electric field is E1. At point (-a, a) the electric field is E2 and at a point (-a, -a) the electric field is E3.Which one of the following is correct?
A Charge of 2 Coulombs is placed near a ground conducting plate at a distance of 1 m. The force acting between the charge of 2 C and ground conducting plate in Newton is
Consider two concentric spherical conductors with the inner sphere of diameter 1 m and the outer sphere of diameter 2 m. Assume +Q and -Q Coulomb charges on the inner and outer spheres and also that they are separated by a dielectric medium with permittivity ε F/m. The capacitance of this spherical capacitor in Farad is

A hollow metallic sphere of radius 'r' is kept at a potential of 1 volt. The total electric flux coming out of the concentric spherical surface of radius R(>r) is

Discussion

No Comment Found

Related MCQs

Reply to Comment