1. How are magnetic materials classified based on magnetic moments Compare their properties. Give also their characteristics and examples . 2. What is magnetic dipole ?
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- Activity 4. Solve the following problems. Show your complete solution. 1. Two parallel wires are 4cm apart and carry currents of 2A and 6A in opposite directions, what is the force experienced by the first wire per meter of wire length? 2. What is the magnetic field of a three-loop wire with a radius of 0.05m and carries a current of 3.5A? 3. Based on the second problem, what is the magnetic field of the wire if the loop is doubled, and the current is halved?me: 3. a. Draw Electric and Magnetic Field lines: Please differentiate between them. b. What would the separation between these objects, one carrying 1 C of positive charge and the other 1 C of negative charge, have to be if the electrical force on each was precisely 1 N? used in Hydrogen. ar the absorbed I I oton? Bus vrs. (6 rints) WLLS? I What is the esiste une light bulbs in ohms? D. What is ne pow consumed by the light bulb i c. If tw identic slide projectors are connected in par Vit Jurce nat is the total current draw c + project draw current 5/04/2023 peres when operating on uss th state Souce? same 1POSTTEST Directions: Read each item carefully. Select the letter of the option corresponding to the BEST answer to the questions. IN S |s NS N 1. The figure above shows three identical bar magnets arranged in the given configuration. What is the general direction of the net magnetic force exerted on the magnet at the middle? A. To the left B. To the right C. Into the page D. Out of the page 2. The figure on the right shows a negative charge and a bar magnet held close to each other. If both the magnet and the negative charge are initially at rest, what is the direction of the magnetic force exerted on the negative charge? A Into the page B. Out of the page C. To the right, away from the magnet D. The charge will not experience a magnetic force S 8. (This is a Government Property. Not for Sale) UNIFIED SUPPLEMENTARY LEARNING MATERIALS GRADE 12 - GENERAL PHYSICS 2 X X X X X B X X X X X 3. The figure on the right shows a negative charge moving to the right in an area with uniform magnetic…
- Directions: Solve the given problems. Show your complete solutions andround off your answers into 3 significant figures.1. An electron experiences a magnetic force of 4.80 x 10-15 N when moving atan angle of 50 degrees with respect to a magnetic field of magnitude 3.75 x 10-3 T.What is the velocity of the electron?2. A particle with a mass of 1.90 x 10-3 kg and a charge of 1.25 x 10-8 C has avelocity of 2.00 x 10 4 m/s. What is the magnitude of the particle’s accelerationproduced by a magnetic field of 2.65 T?QUESTIONS:1. A) Write down the definitions of magnetization (M), magnetic dipole moment (4), magnetic flux (), magnetic induction (magnetic flux density) (B) and magnetic field strength (H). B)Write down the units of the physical quantities that you defined in the previous question and find their derived units in terms of basic quantities of the SI system.3W-ILM What To Do Written work 1 Directions: Write the direction of the missing component of the given figures below. Also, sketch the FBD of the missing component. Do this on a separate sheet of yellow pad paper. F 1. Find the direction of the magnetic field experiences by an electron shown on figure 8. 2. Find the direction of the proton's magnetic force shown on figure 9. 3. Find the direction of the negative charge particle's magnetic force shown on figure 10. B v Figure 8 v Figure 9 v X X X X XX Figure 10 B
- Describe what is the cause of the magnetic field of the Earth. Describe what is meant by magnetic field strength and state its unit of measurement. Select one or more: а. The magnetic field of the earth is caused by Earth's rotation around the Sun. b. The magnetic field strength B is the value of the current in the loop per unit area. c. Magnetic field strength is measured in amperes per meter squared. d. The magnetic field strength B is defined as the force acting per unit current in a wire of unit length when the wire is perpendicular to the magnetic field lines. e. Magnetic field strength is measured in Tesla. f. The magnetic field of the earth is caused by electric currents inside the molten iron core of the Earth.B INSTRUCTION Solve the following problems. ANSWER ONLY TWO OUT OF THREE QUESTIONS. Show your complete solutions. NOT FOLLOWING OF INSTRUCTIONS will be a deduction of 10 POINTS from the total score. 1.A proton enters a magnetic tield of flux density 1.5 Wb/m² with a vetocity of 2.0 x 107 m/s at an angle of 30° with the field. Compute the force on the proton. 2.A steady current of 2 A in a coil of 400 turns causes a flux of 104 wb to link (pass through) the loops of the coil. Compute the average back emf induced in the coit it the current is stopped in 0.08 seconds. 3. A coil of 50 loops is pulled in 0.020 seconds from between the poles of a magnet, where its area intercepts a flux of 3.1 x 10-4 Wb, to a place where the intercepted flux is 0.10 x 10-4 Wb. Determine the average emf induced.4. An uncharged piece of cork is hung from a string. When a positively charged rod is brought near but not touching the cark, the rod attracts the cork and the cork hangs as shown. Charged rod On the diagram at right, sketch how the piece of cork would hang if the north end of a magnet were brought near the cork. Explain. a. North end of magnet b. On the diagram at right, sketch how the piece of cork would hang if the south end of a magnet were brought near the cork. Explain. South end of magnet OPrentice Hall Irve
- This packet will serve as classwork and homework. Homework 1. What do the arrows in the drawing below tell you about the magnetic field? Magnetic field Force Magnet from the magnet's 2. Magnetic field lines always point north pole and its south pole. 3. When magnetic field lines are closer together, this means the force is at that location. a. weaker b. unchanged-the force is the same at all points in space. C. Stronger 4. Write the letter of the magnet next to the correct description of the net force that is exerted on it. Some descriptions may apply to more than one magnet. Magnetic field Source magnet attracting force Repelling force Twisting force. 5. In the diagram above, imagine that you flip magnet C so that its south pole is closer to the magnet. Now describe the net force felt by magnet CSolve the following problems. Show all necessary solutions to justify your answers. All final answer must be up to the 3rd decimal places with the appropriate units. What is the direction of the magnetic force on a positive charge that moves as shown?A. Use Biot-Savart’s law to find the magnitude of the magnetic field at the center of a quarter-circle of wire of radius ?, carrying current ?. Show all your work. B. Give, also, the direction of the magnetic field at the center of a quarter-circle.