The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately
A. 112 Ω
B. 11.2 Ω
C. 1.2 Ω
D. 18 Ω
Answer: Option A
This Question Belongs to Electrical Engineering >> Ohms Law
Related Questions on Ohms Law
How much current is produced by a voltage of 18 kV across a 15 kΩ resistance?
A. 1.2 A
B. 12 A
C. 120 mA
D. 12 mA
A. 183 Ω
B. 18.3 Ω
C. 66 Ω
D. 6.6 Ω
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