Question: When a switch is closed current flows in a circuit [through the switch); when a switch is open, current does not flow. Switches operate independently.

 When a switch is closed current flows in a circuit [throughthe switch); when a switch is open, current does not flow. Switchesoperate independently. Under prescribed conditions the probability that a switch is closed
is denoted by c. For each of the following arrangements, find theprobability that current ows from A to B. Show all working. la)0 5w1 . (d) Sw1 Sw2 O O A Sw3 B(e) Sw2

When a switch is closed current flows in a circuit [through the switch); when a switch is open, current does not flow. Switches operate independently. Under prescribed conditions the probability that a switch is closed is denoted by c. For each of the following arrangements, find the probability that current ows from A to B. Show all working. la) 0 5w1 . (d) Sw1 Sw2 O O A Sw3 B(e) Sw2 O Sw1 O A Sw4 B

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