A current of 3 A is flowing through a given point in an electric circuit. How much charge passes this point in two minutes?180 C360 C6 C60 C2A charge of 20 coulombs flows through a battery in 10 seconds. Calculate the current flowing through the battery.200 A2 A100 A0.5 A3Which of the following best describes what is meant by the current in an electric circuit?The potential difference across the circuitThe number of charges in the circuitThe flow of electricity in the circuitThe amount of charge flowing past a given point every second
Question
A current of 3 A is flowing through a given point in an electric circuit. How much charge passes this point in two minutes?180 C360 C6 C60 C2A charge of 20 coulombs flows through a battery in 10 seconds. Calculate the current flowing through the battery.200 A2 A100 A0.5 A3Which of the following best describes what is meant by the current in an electric circuit?The potential difference across the circuitThe number of charges in the circuitThe flow of electricity in the circuitThe amount of charge flowing past a given point every second
Solution
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The amount of charge (Q) passing through a point in an electric circuit can be calculated using the formula Q = It, where I is the current and t is the time. In this case, I = 3 A and t = 2 minutes = 120 seconds. So, Q = 3 A * 120 s = 360 C. Therefore, 360 C of charge passes through the point in two minutes.
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The current (I) flowing through a battery can be calculated using the formula I = Q/t, where Q is the charge and t is the time. In this case, Q = 20 C and t = 10 s. So, I = 20 C / 10 s = 2 A. Therefore, the current flowing through the battery is 2 A.
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The current in an electric circuit is best described as the amount of charge flowing past a given point every second.
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