FailA In the figure, a copper bar is in contact with a pair of parallel metal rails and is in moti induced current through the resistor R is OB R wwwww a Ofrom b to a Ofrom a to b. OC b the resistor.
FailA In the figure, a copper bar is in contact with a pair of parallel metal rails and is in moti induced current through the resistor R is OB R wwwww a Ofrom b to a Ofrom a to b. OC b the resistor.
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Transcribed Image Text:Part A
In the figure, a copper bar is in contact with a pair of parallel metal rails and is in motion with velocity U. A uniform magnetic field is present as shown. The bar, the rails, and the resistor R are all in the same plane. The
induced current through the resistor R is
OB
R
www
b
Ofrom b to a.
from a to b.
There is no induced current through the resistor.
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