Asked by Kyle
How much current does a flashlight use if its battery supplies 3.0 Volt and the bulb has a resistance of 4.0 Alpha
Answers
Answered by
Jai
Resistance is 4.0 Alpha...? I think you mean 4.0 Ohms (Ohm has symbol of capital letter of Omega, Ω). Alpha (α) is different, it is the temperature coefficient of resistance.
Anyway, you use the formula:
I = V/R
where
I = current (Ampere)
V = voltage (Volts)
R = resistance (Ohms)
hope this helps~ `u`
Anyway, you use the formula:
I = V/R
where
I = current (Ampere)
V = voltage (Volts)
R = resistance (Ohms)
hope this helps~ `u`
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