magnetic field of magnitude 0.52 T is directed vertically upward. (a) Find the magnetic flux through a flat surface of area 23 cm2 if the surface is vertical. (b) Find the magnetic flux through a flat surface of area 23 cm2 if the surface is horizontal. (c) Find the magnetic flux through a flat surface of area 23 cm2 if the surface is at angle of 67° with the horizontal

A very long, thin rod carries electric charge with the linear density 35.0 nC/m. It lies along the x axis and moves in the x direction at a speed of 1.50 × 107 m/s. (a) Find the electric field the rod creates at the point (x = 0, y = 20.0 cm, z = 0). (b) Find the magnetic field it creates at the same point. (c) Find the force exerted on an electron at this point, moving with a velocity of (2.40 × 108)î ⁄ m/s.

A magnetic field of strength 0.25 T is directed perpendicular to a plane circular loop of wire of radius 23 cm. Find the magnetic flux through the area enclosed by this loop. T·m2

Find the flux of the Earth's magnetic field of magnitude 5.00 ✕ 10-5 T, through a square loop of area 30.0 cm2 for the following. (a) when the field is perpendicular to the plane of the loop T·m2(b) when the field makes a 30.0° angle with the normal to the plane of the loop T·m2(c) when the field makes a 90.0° angle with the normal to the plane T·m2

A charged particle, passing through a certain region of space, has a velocity whose magnitude and direction remain constant.(a) If it is known that the external magnetic field is zero everywhere in this region, can you conclude that the external electric field is also zero?

A uniform electric field of 7.42 V/m west and a uniform magnetic field of 7.78 T west exist in a region of space. Find the magnitude of the acceleration of an electron moving with velocity 1.52 m/s north in this region. Answer in units of m/s2.

Two flat surfaces are exposed to a uniform, the horizontal magnetic field of magnitude 0.33 T. When viewed edge-on, the first surface is tilted at an angle of 19° from the horizontal, and net magnetic flux of 9.4 x 10-4 Wb passes through it. The same net magnetic flux passes through the second surface.  (a) Determine the area of the first surface.  (b) Find the smallest possible value of the area of the second surface.

(a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron that travels at 7.85 ✕ 106 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 1.20 ✕ 10−5 T?   m/s (b) What would the radius (in m) of the path be if the proton had the same speed as the electron?   m (c) What would the radius (in m) be if the proton had the same kinetic energy as the electron?   m