Whose magnetic field is like a magnetic field of a bar magnet?

$A$ square coil moves in a plane with uniform velocity $v$ parallel to its sides. $A$ magnetic field $B$ points perpendicular and into the loop. What is the induced current in the coil?

According to Fleming's right-hand rule,what is indicated by the direction of the center finger?

$(a)$ Which effect of the electric current is utilised in the working of an electrical fuse?
$(b)$ Is a fuse connected in series or in parallel in a household circuit?
$(c)$ Draw a schematic labelled diagram of a domestic circuit which has a provision of a main fuse,meter,one light bulb,and a switch socket.

Explain the Right-Hand Thumb Rule and the Maxwell's Corkscrew Rule to determine the direction of the magnetic field due to a current-carrying conductor.

What is the frequency of $DC$ (in $Hz$)?