The two conducting rails in the drawing are tilted upward so they each make an angle of 30.0° with respect to the ground. The vertical magnetic field has a magnitude of 0.071 T. The 0.21-kg aluminum rod (length = 1.6 m) slides without friction down the rails at a constant velocity. How much current flows through the rod? Number i Units Conducting rails 1.6 m- AB B

A square loop of wire with sides of 20.0cm is half in and half out of a uniform magnetic field which points out of the page as shown. The loop is moving with a speed of 3.00m/s and the strength of the magnetic field is 0.100Tesla. The total resistance of the loop is 4.00Ω. Find the magnitude and directionof the current if the loop is moving in the following directions. a.in the +x direction b.in the -x direction c.in the +y direction d.in the -y direction

The diagram below is of a triangular prism that has three rectangular sides and two triangular sides. This prism is placed in a region of uniform magnetic field of magnitude 0.120 T directed in the positive x direction. Here ab = 30.0 cm, ac = 40.0 cm, bc 50.0 cm, and ad 66.0 cm. = = = = Determine the magnetic flux, including the sign, through each of the five faces of the box. abc cbef Pabed Pacfd def = Additional Materials = Reading B a Wb Wb Wb Wb Wb y

Multiple-Concept Example 2 discusses the concepts that are used in this problem. In the drawing the magnetic field has a magnitude of 1.97 T, the rod has a length of 0.866 m, and the hand keeps the rod moving to the right at a constant speed of 2.02 m/s. If the current in the circuit is 0.0294 A, what is the average power being delivered to the circuit by the hand? Number i X X X X X X X X X X X X hand X X Units X X X X hand X X X

Multiple-Concept Example 2 discusses the concepts that are used in this problem. In the drawing the magnetic field has a magnitude of 1.93 T, the rod has a length of 0.843 m, and the hand keeps the rod moving to the right at a constant speed of 2.31 m/s. If the current in the circuit is 0.0478 A, what is the average power being delivered to the circuit by the hand? Number i X X X X X X X X X hand X X Units X X x X hand X X

The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides. All four wires are much longer than the sides of the square. The net magnetic field at the center of the square is 86 µT directed into the drawing. Calculate the current I. Number i 2.7 A 3.9 A 7.3 A Units

A stationary square coil of area 0.1 m2 is brought over time of 2 s into the magnetic field 8.5 T with its plane perpendicular to the magnetic field. The coil has 1523 turns. Calculate the magnetic flux linkage through the coil. Give your answer in SI units.

An 18 cm diameter loop of wire consists of 28 turns of circular copper wire 2.5 mm indiameter. A uniform magnetic field, perpendicular to the plane of the loop, changes ata rate of 8.5 x 10-3 T/s. What is the current in the loop? The resistivity of copper is 1.68 x 10-8 W m. (Hint: solve for V and R, then solve for I)

Multiple-Concept Example 2 discusses the concepts that are used in this problem. In the drawing the magnetic field has a magnitude of 1.37 T, the rod has a length of 0.926 m, and the hand keeps the rod moving to the right at a constant speed of 4.68 m/s. If the current in the circuit is 0.0276 A, what is the average power being delivered to the circuit by the hand? Number i X X X X X X X X X T Units X X X X X 7₁ X hand X X X7 X X X X X X hand X X