Mathematics, 10.12.2020 14:20 sebby33
Select the correct answer.
The formula for the voltage, V, of an electrical current is V=√pr, where P is the power measured in watts and R is the resistance measured in ohms.
A toy train with a resistance of 10 ohms is powered by four 1.5-volt batteries. What is the power of the toy train?
( ALL I KNOW IS THAT ITS NOT B )
A.
16.7 watts
B.
0.60 watts
C.
0.225 watts
D.
3.6 watts
Answers: 1
← substitute V = 4 × 1.5 = 6 and r = 10
( square both sides )
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The formula for the voltage, V, of an electrical current is V=√pr, where...
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