Electrical Energy Properties Quick Check
3 of 43 of 4 Items
Question
Use the information in the table about four different electric circuits to answer the question.
Circuit Resistance (ohms) Voltage (V)
1 0.5 20
2 0.5 40
3 0.25 40
4 0.25 60
Which circuit will have the greatest electric current?
(1 point)
Responses
circuit 2
circuit 2
circuit 1
circuit 1
circuit 4
circuit 4
circuit 3
It is Circuit #4 after doing all the math
circuit 3
To determine which circuit will have the greatest electric current, you can use Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R):
I = V / R
In this case, we have the resistance and voltage values for each circuit. To find the current for each circuit, we can apply this formula.
For Circuit 1: I = 20 / 0.5 = 40 A
For Circuit 2: I = 40 / 0.5 = 80 A
For Circuit 3: I = 40 / 0.25 = 160 A
For Circuit 4: I = 60 / 0.25 = 240 A
From the calculations, we can see that Circuit 4 will have the greatest electric current, with a value of 240 A. Therefore, the correct answer is circuit 4.
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