Two bulbs are shown in a circuit that surrounds a region of increasing magnetic field directed out of the page. When the switch is open,
A. bulb 1 is glowing; bulb 2 is dark.
B. bulb 2 is glowing; bulb 1 is dark.
C. both bulbs glow equally brightly.
D. both bulbs glow one half as brightly as they do with the switch closed.
E. both bulbs are dark.
Answer: E
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