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1123
Sourish Ghosh ·

5)
VB - VA = -∫E.dl
→ VA - VB = ∫E.dl
Since current is from A to B, VA > VB
→ ∫E.dl > 0

6)
Since there is a current in the path, there must be a resistor attached to the capacitor.
VA - VB = ∫E.dl
Potential difference across a capacitor is given by,
V = V0(1 - et/τ)

Now we don't know whether the capacitor is in steady state, transient state or 0+ state.
Hence V can be +ve or 0.

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