Two infinitely long parallel wires having linear charge densities `lambda_(1)` and `lambda_(2)` respectively are placed at a distance of `R` metres. The force per unit length on either wire will be `(k= 1/(4piepsilon_(0)))`

When two parallel wires carrying current l and 2l in same direction are placed at a distance d apart, the ratio of force per unit length acting upon the wire due to other is

Two parallel infinite line charges with linear charge densities +lambda C//m and -lambda C/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?

Two infinitely long thin styraight wires having uniform linear charge densities lambda and 2lambda are arranged parallel to each other at a distance r apart.The intensity of the electric field at a point midway between them is

The electric field at a distance r from a long wire having charge per unit length lambda is

Two infinitely long parallel wires having linear charge density 3 xx 10^(-9) C/m and 4 xx 10^(-9) C/m are kept at a distance of 20 cm in air. What will be the magnitude and direction of the electric field intensity at a point that is at a distance of 10 cm from each wire?

Two uniformly long charged wires with linear densities lambda and 3lambda are placed along X and Y axis respectively. Determined the slope of electric field at any point on the l ine y=sqrt3x

Two long parallel copper wires carry current of 5A each in opposite directions. If the wires are separated by a distance distance of 0.5m, then the force per unit length between the two wires is

Between two infinitely long wires having linear charge densities lambda and -lambda there are two points A and B shown in the figure. The amount of work done by the electric field moving a point charge q_(0) from A to B is equal to