Answered: 5. A 120V lamp-dimming circuit is… | bartleby

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5. A 120V lamp-dimming circuit is controlled
by a rheostat and protected from the
excessive current by a 3A fuse. The lamp
resistance is predicted at 20 ohms. What is
the minimum resistance value can the
rheostat be set without blowing the fuse?
A. 40 Ω
С. 2 0
В. 40
D. 20 2

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