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4 years ago

Ii.

Physics

1 answer:

notka56 [123]4 years ago

5 0

Answer:

toaster -- 15 A, 8 Ω
fry pan -- 10.83 A, 11.08 Ω
lamp -- 0.83 A, 144 Ω
fuse will blow

Explanation:

P = VI

I = P/V = P/120

R = V/I = V/(P/V) = V^2/P = 14400/P

Toaster: I = 1800/120 = 15 . . . amps

R = 14400/1800 = 8 . . . ohms

Fry pan: I = 1300/120 = 10.833 . . . amps

R = 14400/1300 = 11.08 . . . ohms

Lamp: I = 100/120 = 0.833 . . . amps

R = 14400/100 = 144 . . . ohms

The total current exceeds 20 A, so will blow the fuse.

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