511 In the figure with dl shown what is In the figure with dl shown which purple vector best represents To find the magnetic field B at P due to a currentcarrying wire we use the BiotSavart law ID: 1038909
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1. BIOT SAVART LAW
2. To find the magnetic field B at P due to a current-carrying wire we use the Biot-Savart law, 5.11In the figure, with “dl” shown, what is ?
3. In the figure, with “dl” shown, which purple vector best represents ?To find the magnetic field B at P due to a current-carrying wire we use the Biot-Savart law, E) None of these!5.11
4. What is the direction of the infinitesimal contribution dB(P) created by current in dl?To find the magnetic field B at P due to a current-carrying wire we use the Biot-Savart law, Up the pageDirectly away from dl (in the plane of the page)Into the pageOut of the pageSome other direction5.12
5. What is the magnitude of ?To find the magnetic field B due to a current-carrying wire, below, we use the Biot-Savart law, 5.13
6. What is the magnitude of ?To find the magnetic field B due to a current-carrying wire, below, we use the Biot-Savart law, b) d) e) something else!(And, what's here, given that P = (x,y,z)?)5.13
7. What is the value of I ?To find the magnetic field B due to a current-carrying wire, below, we use the Biot-Savart law, 5.13m(What's here, given that P = (0,y,0)?)
8. What is the value of I ?To find the magnetic field B due to a current-carrying wire, below, we use the Biot-Savart law, b)c) d) e) Other!5.13m
9. sWhat is B at the point shown?IIA)B)C)D)E) None of these (What direction does it point?)5.14
10. How about direction of dB(P) generated JUST by the segment of current dl in red? A) B(p) in plane of page, ditto for dB(P, by red)B) B(p) into page, dB(P, by red) into pageC) B(p) into page, dB(P, by red) out of pageD) B(p) complicated - has mult component (not or || to page), ditto for dB(P, by red)E) Something else!! 5.16comWhat do you expect for direction of B(P)?
11. I1I2I have two very long, parallel wires each carrying a current I1 and I2, respectively. In which direction is the force on the wire with the current I2?(How would your answer change if you reverse the direction of both currents?) Up Down Right Left Into or out of the page
12. What is the magnitude of ?To find the magnetic field B due to a current-carrying loop, we use the Biot-Savart law, A) B) D) E) Something quite different!5.15(Which colored arrow is ? r? r’? )
13. To find the magnetic field B due to a current-carrying loop, we use the Biot-Savart law, What is dBz (the contribution to the vertical component of B from this dl segment?)A) B) D) E) Something quite different!5.15b
14. xyzKThe B-field hasy-component onlyz-component onlyy and z-components x, y, and z-components Other MD10-1Consider the B-field a distance z from a current sheet in the z = 0 plane:
15. xyzKThe B-field hasy-component onlyz-component onlyy and z-components x, y, and z-components MD10-1Here is the integral expression for the B-field a distance z from a current sheet in the z = 0 plane: