the 5.00 v battery in (figure 1) is removed from the circuit and replaced by a 15.00 v battery, with its negative terminal next to point b. the rest of the circuit is as shown in the figure.

Exercise 26.30
The 5.00- battery in is removed from the circuit and replaced by a 15.00- battery, with its negative terminal next to point . The rest of the circuit is as shown in the figure.
Part A
Find the current in the upper branch.
Express your answer with the appropriate units. Enter positive value if the current is to the left and negative value if the the current is to the right.
ANSWER:
Part B
Find the current in the middle branch.
Express your answer with the appropriate units. Enter positive value if the current is to the left and negative value if the the current is to the right.
ANSWER:
= I A
V
= I A
V
V b
= I
= I
https://session.masteringphysics.com/myct/assignmentPrintView?displayMode=studentView&assignmentID=6893051 4/9
Part C
Find the current in the lower branch.
Express your answer with the appropriate units. Enter positive value if the current is to the left and negative value if the the current is to the right.
ANSWER:
Part D
Find the potential difference of point relative to point .
Express your answer with the appropriate units.
ANSWER:
Exercise 26.32
In the circuit shown in the figure both batteries have insignificant internal resistance and the idealized ammeter reads 2.00 in the direction shown.
Part A
Find the emf of the battery.
ANSWER:
Part B
= I
Vab a b
= Vab
A
E
= E V
https://session.masteringphysics.com/myct/assignmentPrintView?displayMode=studentView&assignmentID=6893051 5/9
Is the polarity shown correct?
ANSWER:
RC Circuit and Current Conceptual Question
In the diagram below,the two resistors, and , are identical and the capacitor is initially uncharged with the switch open.
Part A
How does the current through compare with the current through immediately after the switch is first closed?
You did not open hints for this part.
ANSWER:
Part B
How does the current through compare with the current through a very long time after the switch has been closed?
You did not open hints for this part.
ANSWER:
yes
no
R1 R2
R1 R2
The current through the current through .R1
is greater than
is less than
is equal to
R2
R1 R2
https://session.masteringphysics.com/myct/assignmentPrintView?displayMode=studentView&assignmentID=6893051 6/9
Part C
How does the current through compare with the current through immediately after the switch is opened (after being closed a very long time)?
You did not open hints for this part.
ANSWER:

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