X x X and length L = 0.750 m can slide vertically down ideal wires in a uniform magnetic field of magnitude B = 4.30 T which points into the page. the ideal wires are connected to a resistor, R = 4.50 Q. The bar is released. X X X x x X X x X X a, X x x x x x xX X X x x x x x xX X X x x x x x xX X X x x x x x xX X X X X X X X XX X X x x x x x xX X X X X X X X XX X
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- Which of the following equations best describes the potential differences measured around the circuit shown if the circuit is analyzed clockwise around the loop? 202 150 6V 10Ω 9VThe metal equilateral triangle in the figure, 20 cm on each side, is halfway into a 5.0×10−2 T magnetic field. (Figure 1) What is the magnitude of the magnetic flux through the triangle? If the magnetic field strength decreases, what is the direction of the induced current in the triangle?In one of NASA's space tether experiments, a 20.0 km long conducting wire was deployed as a power source by the space shuttle as it orbited at 7.86 × 10³ m/s around earth and across earth's magnetic field lines. If the component of earth's magnetic field perpendicular to the tether was 1.16 x 10-5 T, determine the maximum possible potential difference between the two ends of the tether.
- A particle of mass m and charge q is accelerated along the +x axis (in the plane of the page) from rest through an electric potential difference V. The particle then enters a region, defined by x > 0, containing a uniform magnetic field. y V = 400.0 V B = 0.850 T q = -1.602 × 10-19 C m = 6.68 × 10-27 kg V B = 0 8. When the particle first enters the region with the magnetic field the Lorentz force acting on it is directed along the +y axis. What is the direction of the Magnetic field? Explain your reasoning a. +z b. -z с. +x d. -xAn astronaut is connected to her spacecraft by a 29-m-long tether cord as she and the spacecraft orbit Earth in a circular path at a speed of 4.1 103 m/s. At one instant, the voltage measured between the ends of a wire embedded in the cord is measured to be 0.44 V. Assume the long dimension of the cord is perpendicular to the vertical component of Earth's magnetic field at that instant. (a) What is the magnitude of the vertical component of Earth's field at this location? uT(b) Does the measured voltage change as the system moves from one location to another? Explain.The above figure shows the cross sections of two wires carrying equal magnitude currents of 10 A but in opposite direction (one is into the page, the other is out of the page). The wires are 0.5 m apart (d=0.5 m). Find the magnetic field at point P. Group of answer choices -16 µT upward -8 µT upward -4 µT upward -12 µT downward -14 µT downward
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- A positively charged particle slides off a frictionless and smooth surface with initial X X X X X X X X speed v, =v, . It then enters into a region with X X X X X x x x X uniform magnetic field pointing into the page. X X X X x x x x X x x x x x X x x x The particle eventually hits the ground with final speed v, air time and range S · The particle slides off the edge again with identical initial speed, but this time without the magnetic field. The particle then hits the ground with final speed v,, air time t, , and range s,. Determine the relationships between v, and v,, t, and t, , as well as s, and s, (3 marks). Please note that no calculation is needed. You were to provide the relationship in the sense that whether one variable is greater than, smaller than, or equals to the other one (>, <, or =). Provide a rough explanation (3 marks).The figure below shows a loop of wire of radius r = 0.860 m and resistance R = 0.0250 2 inside a region of spatially constant magnetic field with time dependent magnitude B = bt Find the time at which the net magnetic field at the center of the loop vanishes. i X X X X X x X X R x x X x X X S r B X X X x X X X X X XA radioactive source emits beta particles (electrons– mass 9.11 × 10−31 kg) with energy 1 × 106 eV (1.6 × 10−13 J). The electrons enter a uniform magnetic field as shown. If the electrons emerge from the left side of the field at a right angle to their initial direction, what are the minimum strength and direction of the field?