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Physics 19 Online
OpenStudy (anonymous):

Which, if any, of the following statements about the above circuit is/are true? Take the potential at the bottom of the circuit to be zero.

OpenStudy (anonymous):

If R2 = 0, then the potential at point a would be zero. When the switch, S, is closed, the potential at point a depends only on the resistors R1 and R2, and not on the capacitors C1 and C2. When the switch, S, is open, the potential at point a depends only on the resistors R1 and R2, and not on the capacitors C1 and C2. If R1 = R2 then the potential at point a will be V/2 when the switch, S, is open. If R1 = 0, then the potential at point a would be V. If R1 > R2, then the potential at point a will be greater than V/2 when the switch, S, is open.

OpenStudy (ash2326):

@Astro103 I'll help you with this. Do you have any ideas about this?

OpenStudy (anonymous):

I know that point A doesnt switch change when the switch is closed. I actually have to go but I will be back in a few hours

OpenStudy (ash2326):

ok, call me here, when you are back

OpenStudy (anonymous):

Ok I'm back

OpenStudy (ash2326):

I also got back now, let's check the first option. What do you think about it?

OpenStudy (anonymous):

I don't think the potential would be zero.

OpenStudy (ash2326):

if R2=0, then there is a short path between point a and ground, like this |dw:1342455678536:dw| ground is at zero potential

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