In the drawing below, indicate the direction of current flow through the coil and sketch the resulting magnetic vector field produced by the current through the coil on the right-hand side. A ++
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- What is the magnetic field at the position of the dot in the figure (Figure 1)? Give your answer as a vector.Express your answer in terms of the unit vectors i^_unit, ^j_unit, and k^_unit. Use the 'unit vector' button to denote unit vectors in your answer.Two very long wires are parallel to each other separated by a distance d. The same current flows through each wire but in opposite directions. See the arrows in the diagram. Let I = 1 Amp and d = 0.1 meter. a) What is the direction of the net magnetic field due to the two, long wires in the space between the wires? Explain your answer. b) Calculate the magnitude of the net field at point P, which is half-way between the wires. c) Calculate the magnitude of the magnetic force per unit length due to wire #1 on #2. d) Determine the direction of the force calculated in part (c) and explain your answer.A loop of wire is perpendicular to a magnetic field. The magnetic field strength as a function of timeis given by the top graph. Draw a graph of the current in the loop as a function of time. Let apositive current represent a current that comes out of the top of the loop and enters the bottom of theloop. There are no numbers for the vertical axis, but your graph should have the correct shape andproportions.
- The two insulated wires in the diagram above cross at a 30° angle but do not make electrical contact. Each wire carries 7.01 A current. Point 1 is 5.27 cm from the intersection and equally distant from both wires. What is the magnitude of the magnetic field (in T) at point 1?A loop of wire was bent into the shape shown below. Two arcs connected by radial wires. If the angle 0 is in units of radians, what is the magnitude and the direction of the magnetic field at point C. R2 R1 C Hol B = R1 R2 а. O b.0 Hol B = 1 + R1 R2 с. Hol e 1 1 B = d. R1 R2 Hol B = 1 + R1 R2 е.The component of the external magnetic field along the central axis of a 69 turn circular coil of radius 47.0 cm decreases from 2.90 T to 0.700 T in 2.10 s. If the resistance of the coil is R = 3.00 §, what is the magnitude of the induced current in the coil? magnitude: What is the direction of the current if the axial component of the field points away from the viewer? counter-clockwise clockwise A
- a. The circle below represents a Brunton compass. What is the bearing of the following objects with respect to you if the needle of the compass points to the following directions? Express the reading in quadrantal and azimuthal notation. Note that magnetic north is denoted by 0°. Hint: You must first use geometric construction to find the center of the circle. 0° A Direction Quadrantal Azimuthal A В В EPart BA long cylindrical conductor of radius a has two cylindrical cavities diameter a along its entire length, as shown in figure. An I current is directed out of the page and has a uniform value across the entire cross-section of the conductor. Determine the magnitude and direction of the magnetic field based on μ0, I, r and a at a) point P1 and b) at point P2.