The advantage of for...next loops over do...loops is that they are

A rectangular loop of wire with dimensions shown in figure is coplanar with a long wier carrying current 'I' . The distance between the wire and the left side of the loop is r . The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?

A small block of mass m slides along a frictionless loop-the-loop (loop inside loop) track. What should be the ratio of the radius of the outer loop to the radius of the inner loop so that the the block may not lose contact at the highest point of the inner loop ?

What advantage do the fuel cells have over primary and secondary batteries?

A cylinder wire of radius R is carrying uniformly distributed current I over its cross-section. If a circular loop of radius r is taken as amperian loop, then the variation value of oint vec(B)* Vec(dl) over this loop with radius 'r' of loop will be best represented by

A rectangular loop carrying a current i_(2) situated near a long straight wire carrying a steady current i_(1) . The wire is parallel to one of the sides of the loop and is in the plane of the loop as shown in the figure. Then the current loop will