(a) What is the direction of the inducedcurrent in resistor R in figure ( a ) wh
ID: 1670441 • Letter: #
Question
(a) What is the direction of the inducedcurrent in resistor R in figure (a) when the barmagnet is moved to the left?1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page
(b) What is the direction of the current induced in the resistorR after the switch S in Figure figure (b) isclosed? (Note that R is perpendicular to thepagescreen.)
1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page
(c) What is the direction of the induced current in R whenthe current I in figure (c) decreases rapidly tozero?
1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page
(d) A copper bar is moved to the right while its axis is maintainedin a direction perpendicular to a magnetic field as shown in figure(d). If the top of the bar becomes positive relative tothe bottom, what is the direction of the magnetic field?
1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page 2) to the right 3) upward 4) downward 5) into the page 6) out of the page 2) to the right 3) upward 4) downward 5) into the page 6) out of the page 2) to the right 3) upward 4) downward 5) into the page 6) out of the page 6) Use Lenz^'s law to answer the following questions concerning thedirection of induced currents. (a) What is the direction of the inducedcurrent in resistor R in figure (a) when the barmagnet is moved to the left? 1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page (b) What is the direction of the current induced in the resistorR after the switch S in Figure figure (b) isclosed? (Note that R is perpendicular to thepage screen.) 1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page (c) What is the direction of the induced current in R whenthe current I in figure (c) decreases rapidly tozero? 1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page (d) A copper bar is moved to the right while its axis is maintainedin a direction perpendicular to a magnetic field as shown in figure(d). If the top of the bar becomes positive relative tothe bottom, what is the direction of the magnetic field? 1) to the left 2) to the right 3) upward 4) downward 5) into the page 6) out of the page
Explanation / Answer
a) 2-to the right b) 6-oout ofthe page c) 2-to the right d)5- into the pageRelated Questions
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