College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 18 - Conceptual Questions - Page 696: 21

Answer

see solution

Work Step by Step

(a) A and B will have the same brightness, C and D will have equal brightness. But the brightness of C, D > Brightness of A, B (b) The brightness of bulb B will increase by 4 times if A is replaced by a wire. (c) The brightness of bulb C will increase 2 times if bulb D is removed from the circuit.
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