A long, straight wire carries a current. Is Ampere's law
valid for a loop that does not enclose the wire, or that
encloses the wire but is not circular?

A long straight wire carries a current of 35A . What is the magnitude of the field vecB at a point 20cm from the wire?

A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig.

If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 cm away from the wire is

A long copper wire carries a current of 10 ampere . Calculate the magnetic flux per metre of the wire for a plane surface S inside the wire as shown in the figure.

A square loop of side a is placed in the same plane as a long straight wire carrying a current i . The centre of the loop is at a distance r from wire where r gt gt a . The loop is moved away from the wire with a constant velocity v . The induced e.m.f in the loop is

A long straight wire of circular cross- section carries a current along its length. On the axis inside the wire, it follows that

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

Figure shows a conducting loop placed near a long straight wire carrying a current i as shown, if the current increases continuously, find the direction of the induced current in the loop.

Figure shows a long straight wire carrying current I and a square conducting wire loop of side l, at a distance 'a' from current wire. Both the current wire and loop are in the plane of paper. Find the flux of magnetic filed of current wire, passing through the loop.

Show a conduction loop placed near a long, straight wire carrying current i as shown. If the current increases continuously, find the direction of the induced current in the loop.