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A cow-magnet (a type of bar-magnet with special...uhh, applications) lies in the plane of the page...
A bar magnet is moved (in the plane of the page) with respect to a single-tur...
A bar magnet is moved (in the plane of the page) with respect to a single-tur of radius 5.00 cm as shown (the coil lies in a plane perpendicular to the di of the bar magnet). Over a time interval of 0.150 s, the magnitude of the magnetic field at the coil varies from 0.640 T to 0.240 T. The resistance of coil is 2.50 Ohms. Assume that the magnetic field is uniform over the bounded by the coil. 4....
A bar magnet with magnetic dipole moment 0.6A · m2 lies on the negative x axis
A bar magnet with magnetic dipole moment 0.6A · m2 lies on the negative x axis, as shown in the figure below. A compass is located at the origin. Magnetic north is in the negative z direction. Between the bar magnet and the compass is a coil of wire of radius 3.5 cm, connected to batteries not shown. The distance from the center of the coil to the center of the compass is 8.9 cm. The distance from the center...
13. A metal bar of height 20cm lying in the plane of the page is moved...
13. A metal bar of height 20cm lying in the plane of the page is moved through a magnetic field at a speed of 0.2m/s towards the right (see the figure below). The field has magnitude 0.5T and points out of the page. The charge separation induced in the bar is the same as would be caused by an EMF: a. 0.004 V upward b. 0.0004 V downward c. 0.02 V upward d. 0.02 V downward 0.2 m/s B-0.5T 4....
A rectangular wire loop located in the plane of the page has a width L, and its length. X
A rectangular wire loop located in the plane of the page has a width L, and its length. X. is determined by the position a movable rail that forms the fourth side of the rectangle, as shown. The total electrical resistance of the wire loop is R, and an externally applied magnetic field, B, is directed out of the page. The rail is moving towards the right with speed v. Assume that the x direction is towards the right of...
1 pts Question 1 Select all of the following that are true about magnets and magnetic...
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...
please show full solution Si (a) Athin metallic ring with radius 15cm lies outside of an...
please show full solution
Si (a) Athin metallic ring with radius 15cm lies outside of an ideal solenoid (radius Sem) connected to a battery and a switch. The 10cm-long solenoid has 200tums. Explain your answers. (6) At the instant when the switch is suddenly closed, what would be the current direction in the ring? (a) After the switch has been closed for long time, the radius of the ring shrinks to 7cm. What is the current direction in the ring...
4. Two concentric wire loops lie in the plane of the page. Loop A carries a...
4. Two concentric wire loops lie in the plane of the page. Loop A carries a current IĄ counter-clockwise (Assume that each wire loop forms a closed circuit so that current is able to flow. Each wire has some small non-zero resistance.) loop A loop B (3 pts. total; - pt. per error) What direction of current would EACH of the following actions induce in loop B? Consider each situation SEPARATELY and INDIVIDUALLY from the others Choose from the following...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra be the spacing between the inner and outer conductors. (a) Let the radii of the two conductors be only slightly different, so that d << ra. Show that the result derived in Example 24.4 (Section 24.1) for the capacitance of a cylindrical capacitor then reduces to Eq. (24.2), the equation for the capacitance of a parallel-plate capacitor, with A being the surface area of...
A bar magnet is moved (in the plane of the page) with respect to a single-tur of radius 5.00 cm as shown (the coil lies in a plane perpendicular to the di of the bar magnet). Over a time interval of 0.150 s, the magnitude of the magnetic field at the coil varies from 0.640 T to 0.240 T. The resistance of coil is 2.50 Ohms. Assume that the magnetic field is uniform over the bounded by the coil. 4....
13. A metal bar of height 20cm lying in the plane of the page is moved through a magnetic field at a speed of 0.2m/s towards the right (see the figure below). The field has magnitude 0.5T and points out of the page. The charge separation induced in the bar is the same as would be caused by an EMF: a. 0.004 V upward b. 0.0004 V downward c. 0.02 V upward d. 0.02 V downward 0.2 m/s B-0.5T 4....
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...
please show full solution
Si (a) Athin metallic ring with radius 15cm lies outside of an ideal solenoid (radius Sem) connected to a battery and a switch. The 10cm-long solenoid has 200tums. Explain your answers. (6) At the instant when the switch is suddenly closed, what would be the current direction in the ring? (a) After the switch has been closed for long time, the radius of the ring shrinks to 7cm. What is the current direction in the ring...
4. Two concentric wire loops lie in the plane of the page. Loop A carries a current IĄ counter-clockwise (Assume that each wire loop forms a closed circuit so that current is able to flow. Each wire has some small non-zero resistance.) loop A loop B (3 pts. total; - pt. per error) What direction of current would EACH of the following actions induce in loop B? Consider each situation SEPARATELY and INDIVIDUALLY from the others Choose from the following...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra be the spacing between the inner and outer conductors. (a) Let the radii of the two conductors be only slightly different, so that d << ra. Show that the result derived in Example 24.4 (Section 24.1) for the capacitance of a cylindrical capacitor then reduces to Eq. (24.2), the equation for the capacitance of a parallel-plate capacitor, with A being the surface area of...
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