The current segments RQ of length a and QP of length b carry current l2 and located near an infinite wire carrying current I,. The end of RQ is a distance c from the infinite wire as shown in figure. Segment QP is perpendicular to segment RQ and is parallel to the infinite wire. Find the total magnetic force exerted on the wire RQP by the magnetic field of the infinite wire.

Several electrons move at speed 5.00 × 10^5 m/s in a uniform magnetic field with magnitude B = 0.500 T directed downward. Find the magnetic force on the electron at point c where the velocity of the electron maks a 30 deg angle with the horizontal, pointing to the upper right. Enter a positive value if the direction of magnetic force is out of the page and enter a negative value if the direction of magnetic force is in to the page. Use E-scientific notation. Round to 2 decimal places.

In the figure, two long straight wires are perpendicular to the page and separated by distanced = 0.75 cm. Wire 1 carries 5.8 A into the page. What are the (a) magnitude and (b) direction (into or out of the page) of the current in wire 2 if the net magnetic field due to the two currents is zero at point P located a distance d, = 1.50 cm from wire 2? Wire 10 di Wire 20- do (a) Number i Units (b)

The cylinder shown represents a cross-section of a long straight hollow wire with inner radius a and outer radius b. has current coming out of the surface. The magnitude of the current density is given by the equation J = Ar², where A is a constant and r is the distance from the center of the cylinder. Find the magnitude of the magnetic field at all points in space.

A long straight wire (length =180 cm) is lying flat on a table with a current of 5.8 A toward the South.  At a given instant in time a 15 nC charge is at a location 3.5 cm  left (West) of the wire, travelling in a direction parallel to wire North with a speed of 4.8E6 m/s.  Calculate the magnitude and direction of the magnetic force on the 15 nC charge.

A straight wire is aligned north-south in a region where the Earth’s magnetic field has magnitude 0.054 mT and direction 68° below the horizontal, with the horizontal component directed due north. The wire carries 200 A current toward the north. (a) What is the magnitude of the magnetic force on a 1.0-m segment of the wire? (b) What is the direction of the magnetic force?

A long straight wire carries 4A out of the page as pictured. A -10 µC particle, 2cm away from the current, travels upwards at a speed v = 2x106 m/s. (a) Calculate the magnetic field B, in components, at the location of the charge. (b) Calculate the magnetic force (vector) on the particle. a W

In the figure, point P2 is at perpendicular distance R = 20.6 cm from one end of straight wire of length L = 12.7 cm carrying current i = 0.583 A. (Note that the wire is not long.) What is the magnitude of the magnetic field at P2?

As shown in the figure below, two long parallel wires (1 and 2) carry currents of I1 = 3.00 A and I2 = 5.10 A in the direction indicated. (a) Determine the magnitude and direction of the magnetic field at a point midway between the wires (d = 10.0 cm). and (b) Determine the magnitude and direction of the magnetic field at point P, located d = 10.0 cm above wire 1.

A conductive wire is arranged on the surface of the cube whose sides are 40 cm as shown. The wire is in the same magnetic field B = 0.02 T j. If the conductor is energized by an electric current I = 4 A in the direction shown in the picture, determine the vector of the magnetic force experienced by each piece of wire.