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What happens to the two identical bulbs A and B con-
nected to two 12V batteries, as shown, when the switch
is closed?
A.
B.
C.
D.
A glows, B changes
A glows, B stays same
A stays same, B changes
A stays same, B stays same
What happens when the switch is closed if I change the
battery on the right to 6V?
A.
B.
C.
D.
A glows, B changes
A glows, B stays same
A stays same, B changes
A stays same, B stays same
12V
12V
fmm
A
(mm)
A
B
B
switch
switch
ww
12V
6V

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