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How much power is produced by a flashlight that has a voltage of [tex]12 \text{ volts}[/tex] and a current of [tex]6.5 \times 10^{-2} \text{ amps}[/tex]?

A. 0.78 watts
B. 78 watts
C. 190 watts
D. 0.0054 watts
E. 19 watts

Sagot :

GinnyAnswer
To determine how much power is produced by the flashlight, we can use the formula for electrical power:

[tex]\[ \text{Power} (P) = \text{Voltage} (V) \times \text{Current} (I) \][/tex]

Given the values:
- Voltage ([tex]\( V \)[/tex]) = 12 volts
- Current ([tex]\( I \)[/tex]) = [tex]\( 6.5 \times 10^{-2} \)[/tex] amps

We substitute these values into the formula:

[tex]\[ P = 12 \, \text{volts} \times 6.5 \times 10^{-2} \, \text{amps} \][/tex]

Calculating this gives us:

[tex]\[ P = 12 \times 0.065 \][/tex]

Therefore:

[tex]\[ P = 0.78 \, \text{watts} \][/tex]

So, the correct answer is:

A. 0.78 watts
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