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11 a)
![Screenshot_5.png Screenshot_5.png](https://xtremepape.rs/data/attachments/43/43095-65f6e7d926da1edb6dad6329346eb1d1.jpg)
b i) Diodes allow current to flow only in one direction. This diode will allow current to flow only from A to B (according to how it's placed), ie. current will flow only if A is at a higher potential than B. Since that is the case here. A = 6V, B = 0V, there will be a deflection.
ii) No deflection.
c)
![Untitled.png Untitled.png](https://xtremepape.rs/data/attachments/43/43098-ad271d0047aecc344f42cae404394ad2.jpg)