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ct_circuits - -B A More light If the bulbs and the...

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Wire across bulb Current flows through a light bulb. Suppose a wire is connected across the bulb as shown. When the wire is connected, I A. all the current continues to flow through the bulb. B. half the current flows through the wire, the other half through the bulb. C. all the current flows through the wire.
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Wire across bulb 2 Two light bulbs A and B are connected in series to a constant voltage source. When a wire is connected across B as shown, bulb A A. burns more brightly. B. burns as brightly. C. burns less brightly. D. goes out.
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Unformatted text preview: +-B A More light If the bulbs and the batteries in the circuits are identical, which circuit puts out more light? +-Circuit 2 Circuit 1 A. Circuit 1. B. Circuit 2. C. The two circuits emit the same amount of light. Three bulbs The three bulbs in the circuit below all have the same resistance. Given that brightness is proportional to dissipated power, the brightness of bulbs B and C together , compared with the brightness of bulb A, is A. twice as much. B. the same. C. half as much. +-B C A...
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