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Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature, 100 W, 60 W and 40 W bulbs have filament resistances R100, R60 and R40, respectively, the relation between these resistances is 1 A) 1 1 + R100 R40 R60 = C) R100R60> R40 B) R100 R40+ R60 D) = 1 1 1 R100 R60 R40 Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature, 100 W, 60 W and 40 W bulbs have filament resistances R100, R60 and R40, respectively, the relation between these resistances is 1 A) 1 1 + R100 R40 R60 = C) R100R60> R40 B) R100 R40+ R60 D) = 1 1 1 R100 R60 R40
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Related Book For
Brock Biology of Microorganisms
ISBN: 978-0321897398
14th edition
Authors: Michael Madigan, John Martinko, Kelly Bender, Daniel Buckley
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