+91-87964 74404
FlagBACK
Question icon
Grade 12th PassElectrostatics

A dipole consists of 2 charges +10 μC and -10μC separated by a certain distance.Let they be located at x=6.0 cm,y=0 and x=-6.0 cm and y=0 respectively.Calculate the field strength at point x=0,y=8 cm.
OPTIONS:
  • 1.08×10⁵Nc⁻¹
  • 2.16×10⁵Nc⁻¹
  • 1.08×10⁷Nc⁻¹
  • 0.54×10⁵Nc⁻¹
  • 1.54×10⁵Nc⁻¹

Profile image of ASh
8 Years agoGrade 12th Pass
Answers icon

1 Answer

Profile image of Arun
8 Years ago
Dear Ashwin
 
Electric field at the centre will be E = 2* kq/r² = 0.5 * 10^7 V/m.
Along y axis:
x = sqrt(36 +64) = 10 cm
 
E due to positive = E due to negative = kq/x²
 
E(net) = 2E cos theta = 2 (kq/x²) * (r/x)
 
 = 108 * 10^5 = 1.08 * 10^7 Volt/m

Other Related Questions on electrostatics

question mark
Electrostatics question based on earthing of spherical shell
electrostatics
1 Answer Available

Last Activity: 3 Years ago

question mark
an object has a charge of 2c and gains 10^19 electrons. the net chaarge on the object becomes??
electrostatics
1 Answer Available

Last Activity: 4 Years ago

question mark
A wire with a linear charge density lambda forms a quarter of a cjrclenof radius R and is placed asa shown in thefigure with its centre of curvature at the origin O the electric field at O will be
electrostatics
1 Answer Available

Last Activity: 4 Years ago

question mark
Find the value of q so that system remains in equilibrium.. figure attached below
electrostatics
1 Answer Available

Last Activity: 4 Years ago

question mark
Need to find the time taken for the dipole to come back to eqm
 
electrostatics
1 Answer Available

Last Activity: 4 Years ago