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grin007 [14]
3 years ago
14

What is the current through a 11v bulb with a power of 99w

Physics
1 answer:
Murrr4er [49]3 years ago
8 0

Answer:

9.01amp

Explanation:

Power = V^2/R

Given that v = 11volts, P = 99watts

99 = 11^2/R

11×11 = 99R

121= 99R

R = 121/99

R= 1.22ohms

From ohms Law; V = IR

11volts = I × 1.22ohms

I = 11/1.23

I = 9.01 amp

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