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will give the brainliest!

find the answer in the explanation.

Step-by-step explanation:

In the circuit A;

The moment the switch S1 is opened, bulb A, B and C will go off simultaneously because they are all connected in series.

In the circuit B;

If S1 is opened, bulb G and H will both go off automatically while other bulb will still be functioning. The reason behind this is simply because G and H are in series and both bulbs are in parallel to the other bulbs.

Bulb F will follow by going off when switch S2 is opened.

Immediately switch S3 is opened, both bulb D and E will go off simultaneously because they are in series to each other.

w'x is 0.

hope it

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.