15 Questions
Quantisation of Charge q = ______, where q is the charge on a body, n is any integer positive or negative, and e is constant value of integral multiples of charge.
ne
Coulomb’s Law where f is the force, ______ and q2 are point charges, r is the distance between two charges, and k is the constant.
q1
Electric Flux is related to the electric field by a surface integral over a ______ surface.
closed
Field of an Electric Dipole: For points on the axis for larger distances, r>>a, the field behaves as 1/______^3.
r
Dipole Moment is a vector pointing from the negative to the positive charge with magnitude equal to the charge times the distance between the two charges, denoted by ______.
p
What is the formula for Coulomb's Law?
f = (k * q1 * q2) / r^2
What is the formula for dipole moment?
p = q * d
What is the formula for the field due to an infinitely long straight uniformly charged wire?
E = λ / (2πε₀r)
What is the formula for the field due to a uniformly charged infinite plane sheet?
E = σ / (2ε₀)
What is the formula for the volume charge density?
ρ = Q / V
What is the relationship between the electric field and the electric flux in a given region of space?
The electric flux is the integral of the electric field over the surface area of a closed volume.
What is the behavior of the electric field due to an infinitely long straight uniformly charged wire at a distance r from the wire?
The electric field behaves as 1/r.
What is the definition of surface charge density?
The surface charge density is the charge per unit area on a surface.
What is the relationship between the torque and the electric dipole moment in a uniform electric field?
The torque is proportional to the electric dipole moment.
What is the behavior of the electric field due to a uniformly charged infinite plane sheet at a distance r from the sheet?
The electric field remains constant at all distances from the sheet.
Test your knowledge on key concepts in electricity and magnetism including quantisation of charge, Coulomb’s Law, electric flux, and electric dipole field and moment. Explore topics such as torque, surface charge, and more.
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