Infinite Sheet
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Q. Which of the following graph shows curve between electric field (E) versus distance (r) from infinite line charge having constant positive charge density.
Q. Figure shows a large conducting ceiling having uniform charge density σ below which a charge particle of charge q0 and mass m is hung from point O, through a small string of length L. Calculate the minimum horizontal velocity v required for the string to become horizontal.
Q. Figure shows a large conducting ceiling having uniform charge density σ below which a charge particle of charge q0 and mass m is hung from point O, through a small string of length L. Calculate the minimum horizontal velocity v required for the string to become horizontal.
Q. In a region of space, the electric field is given by →E=8^i+4^j+3^k. The electric flux through a surface of area of 100 units in x−y plane is
- 800 units
- 300 units
- 400 units
- 1500 units
Q. A particle has an initial velocity of (3^i+4^j)m/s and constant acceleration of (4^i−3^j)m/s2. Radius of curvature of path followed by particle initially is
एक कण का प्रारम्भिक वेग (3^i+4^j)m/s तथा नियत त्वरण (4^i−3^j)m/s2 है। प्रारम्भ में कण द्वारा अनुसरित पथ की वक्रता त्रिज्या है
एक कण का प्रारम्भिक वेग (3^i+4^j)m/s तथा नियत त्वरण (4^i−3^j)m/s2 है। प्रारम्भ में कण द्वारा अनुसरित पथ की वक्रता त्रिज्या है
- 8 m
- 3 m
- 7 m
- 5 m
Q. What is the charge per unit area in C/m2 of an infinite plane sheet, if the electric field produced by the sheet has magnitude 3 N/C ?
(Take ϵo=9×10−12 C2/N-m2)
(Take ϵo=9×10−12 C2/N-m2)
- 6.4×10−11
- 3.4×10−11
- 5.4×10−11
- 4.4×10−11
Q. A charge q is placed at the centre of the open end of a cylindrical vessel as shown in the figure. The flux of the electric field through the surface of the vessel is
- q∈0
- Zero
- q2∈0
- 2q∈0
Q. A charge q is placed at the centre of the open end of a cylindrical vessel as shown in the figure. The flux of the electric field through the surface of the vessel is
- q2∈0
- q∈0
- 2q∈0
- Zero
