NEET | 2017Basic Maths and Units and DimensionsHard
Question
An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I along the same direction is shown in fig. Magnitude of force per unit length on the middle wire 'B' is given by :-

Options
A.
B.
C.
D.
Topic: Basic Maths and Units and Dimensions·Practice all Basic Maths and Units and Dimensions questions
More Basic Maths and Units and Dimensions Questions
If a piece of metal is heated to temperature θ and then allowed to cool in a room which is at temperature θ0 t...A constant voltage is applied between the two ends of a uniform metallic wire. Some heat is developed in it. If both len...Two solid spheres of same material but of mass m and 8m fall simultaneously in a viscous liquid and their terminal veloc...Two identical glass rods S1 and S2 (refractive index = 1.5) have one convex end of radius of curvature 10 cm. They are p...Two spherical vessel of equal volume, are connected by a narrow tube. The apparatus contains an ideal gas at one atmosph...
