In the following figure. A magnetic field is located in as cylindrical region which is `B=B_(0)t` .A square frame of resistance r is arranged over the magnetic field. Find the emf and P.D between B & C

Find the magnetic field B at the point P in figure

Magnetic field in cylindrical region of radius R in inward direction is as shown in figure.

In the given figure find out magnetic field at point B (Given : I=2.5A, r=5cm)

B_0 is the magnetic field at point P for a given straight wire as shown in figure. If this wirre is bent into a circular loop, then magnetic field at the centre of loop is

In the figure shown a semicircular wire loop is placed in a uniform magnetic field B=1.0T . The plane of the loop is perpendicular to the magnetic field. Current i=2A flows in the loop in the directions shown. Find the magnitude of the magnetic force in both the cases a and b . The radius of the loop is 1.0 m

In the figure shown a semicircular wire loop is placed in a uniform magnetic field B=1.0T . The plane of the loop is perpendicular to the magnetic field. Current i=2A flows in the loop in the directions shown. Find the magnitude of the magnetic force in both the cases a and b . The radius of the loop is 1.0 m

In a cylindrical region of radius a, magnetic field exists along its axis but the direction of magnetic field is opposite in the four quadrants of the region as shown in Fig. A or AB rotates with its end A at the centre of magnetic field and other end B slides on a smooth wire at the periphery of the region of magnetic field. At t = 0 the rod was situated along the +X direction. Find and plot the time dependence of the thermal power in the resistance R when rod rotates with a constant angular acceleration (alpha)

In a cylindrical region of radius a, magnetic field exists along its axis but the direction of magnetic field is opposite in the four quadrants of the region as shown in Fig. A or AB rotates with its end A at the centre of magnetic field and other end B slides on a smooth wire at the periphery of the region of magnetic field. At t = 0 the rod was situated along the +X direction. Find and plot the time dependence of the current in the resistance R when rod rotates with a constant angular velocity (omega) .

In a cylindrical region of radius a, magnetic field exists along its axis but the direction of magnetic field is opposite in the four quadrants of the region as shown in Fig. A or AB rotates with its end A at the centre of magnetic field and other end B slides on a smooth wire at the periphery of the region of magnetic field. At t = 0 the rod was situated along the +X direction. Find and plot the time dependence of the current in the resistance R when rotates with a constant angular acceleration (alpha)

A time varying magnetic field B = Kr^(3)t is existing in a cylindrical region of radius 'R' as shown (where k is a constant). The induced electric field 'E' at r (R )/(2) is