34. * Equation Jeopardy 2 The equation be- low describes a process involving magnet- ism. Solve for the unknown quantity and draw a sketch that represents a possible process described by the equation. Note: T is a symbol that denotes a force (for exam- ple, force exerted by a rope, tension), and T is the unit (Tesla). 2T — (0.020 kg)(9.8 N/kg) + (10 A)(0.10 m)(0.10 T) = 0
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- a. Draw the earth magnetic field and show where the intensity is the strongest and weakest. b. Show and explain how the magnetic field protects us. C. a. Define energy and renewable energy. Give three example of renewable energy sources. Give three examples of non-renewable energy. d. What is the difference between potential energy and kinetic energy. Give an example for each. 4.A group of students is given a loop of wire connected to a light bulb and a bar magnet. They are asked to make the light bulb light up. N S Which of the following would cause the light bulb to glow? O A. Placing the magnet beside the light bulb. O B. Moving the magnet beside the light bulb. O C. Moving the magnet through the loop of wire. O D. Placing the magnet inside the loop of wire.How do you make an electromagnet ? A. run current through a wire wrapped around an iron rod/nail b. Attach a natural magnet to a battery c line up the N and S poles of a magnet with a wire d. wrap a wire around a permant magnet
- A negative charge enters a uniform magnetic field as shown. What is the direction of the magnetic force? A. out of the page X X X X X X B. upward C. downward X X X X X X q o >v X X X X X X D. to the right E. to the leftq21) Describe the two fundamental sources of a magnetic field. Draw an example of two different magnetic dipoles we have used in lab. Include their respective magnetic field lines in your diagrams below.
- q6)10. * A metal rod is connected to a battery through two stiff metal wires that hold the rod horizontally. The rod is between the poles of a horseshoe magnet that is sitting on a mass-measuring platform scale, which reads 100 g. Draw the magnetic poles of the magnet and the battery connected to the metal rod so that when you turn the current in the circuit on (a) the reading of the scale supporting the magnet increases; (b) the reading decreases.The magnetic field of a bar magnet most closely resembles of a? A. Current carrying wire loop B. Horseshoe magnet C. Straight current carrying wire D. Stream of electrons moving parallel to one another
- HelpA vertical wire carries a current and is placed next to a bar magnet. What is the direction of the current if the magnetic force on the wire is into the page? A. C. D. E. F. out of the into the page page B.a piece of iron and a piece of steel are picked up by electromagnet. The current to the electromagnet is switched off. What happens? a. both the iron and steel remain magnetic b. nly the iron remains magnetised c. only the steel remains magnetised d. neither the iron remain magnetised