A wire bent as a parabola `y=ax^(2)` is located in a uniformed magnetic field of induaction `B` , the vector `B` being perpendicular to the plane `x-y` . At moment `t=0` a connector starts sliding translationwise from the parabola apex with a constant acceleration `omega` . Find the emf of electromagnetic induction in the loop thus formed as a function of `y`

A wire bent as a parabola y=kx^(2) is located in a uniform magnetic field of induction B, the vector B being perpendicular to the plane xy. At t=0 , the sliding wire starts sliding from the vertex O with a constant acceleration a linearly as shown in Fig. Find the emf induced in the loop -

A wire bent as a parabola y=kx^(2) is located in a uniform magnetic field of induction B, the vector B being perpendicular to the plane xy. At t=0 , the sliding wire starts sliding from the vertex O with a constant acceleration a linearly as shown in Fig. Find the emf induced in the loop -

A conducting rod is bent as a parabola y=Kx^(2) , where K is a constant and it is placed in a unifrom magnetic field of induction B . At t=0 a conductor of resistance per unit length lambda starts sliding up on the parabola with a constant acceleration a and the parabolic frame starts rotating with constant angular frequency omega about the axis of symmetry, as shown in the figure. Find the instantaneous current induced in the rod, when the frame turns through pi//4rad .

A wire loop enclosing a semi-circle of radius a=2cm is located on the boundary of a uniform magnetic field of induction B=1T (figure).At the moment t=0 the loop is set into rotation with a constant angular acceleration beta=2 rad//sec^(2) about an axis O coinciding with a line of vector B on the boundary.The emf induced in the loop as a function of time t is [x xx10^(-4)(-1)^(n)xxt]V , where n=1,2,... is the number of the half-revolution taht the loop performs at the given moment t .Find the value of x .(The arrow in the figure shows the emf direction taken to be positive, at t=0 loop was completely outside)

A wire loop enclosing a semi-circle of radius a=2cm is located on the boundary of a uniform magnetic field of induction B=1T (figure).At the moment t=0 the loop is set into rotation with a constant angular acceleration beta=2 rad//sec^(2) about an axis O coinciding with a line of vector B on the boundary.The emf induced in the loop as a function of time t is [x xx10^(-4)(-1)^(n)xxt]V , where n=1,2,... is the number of the half-revolution taht the loop performs at the given moment t .Find the value of x .(The arrow in the figure shows the emf direction taken to be positive, at t=0 loop was completely outside)

A connector AB can slide without frictiion along a II -shaped conductor located in a horizontal plane (Fig). The connector has a length l , mass m and resistance R . The whole system is located in a unifrom magnetic field of induction B directed vertically. At the moment t = 0 a constant horizontal force F starts acting on the connector shifting it translationwise to the right. Find how th e velocity o fhte connector varies with time t . The inductance of the loop and the resistance of the II-shaped conductor conductor are assumed to be negligible

A wire is bent in the form of a V shape and placed in a horizontal plane.There exists a uniform magnetic field B perpendicular to the plane of the wire. A uniform conducting rod starts sliding over the V shaped wire with a constant speed v as shown in the figure. If the wire no resistance, the current in rod wil

A wire is bent in the form of a V shape and placed in a horizontal plane.There exists a uniform magnetic field B perpendicular to the plane of the wire. A uniform conducting rod starts sliding over the V shaped wire with a constant speed v as shown in the figure. If the wire no resistance, the current in rod wil