A compound wire is made by connecting in series three uniform wires made of the same material but having different cross-sectional areas. It is a part of a circuit as shown in the figure. V is the potential difference of this composite wire between points and a point on the axis of wire along x-axis. Which graph best represents the relationship between V and distance x from point o along the axis of the wire?
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Knowledge Check
In the part of a circuit shown in figure, the potential different (V_(G) - V_(H)) between points G
A
0V
B
15V
C
21V
D
3V
The potential difference (V_A-V_B) between the point A and B as shown in the figure is
A
9V
B
8V
C
15V
D
13V
In the circuit shown in the figure , if a conducting wire is conneted between point A and B , thent the current in the wire AB will
A
Be from A to B
B
Be from B to A
C
Not flow
D
Direction of current will be decided by magnitude of source voltage
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