Two students calculate the charge flowing through a circuit. The first student concludes that 300 C of charge flows in 1 minute. The second student concludes that 3.125 × 1019 electrons flow per second. If the current measured in the circuit is 5 A, which of the two students (if any) have performed the calculations correctly?

Q: How long will it take 400 C of charge to pass through a circuit whose current is 1.5 A?

A: Given data :                Charge (Q) = 400 C               Current (I) = 1.5 A

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Q: The current in a circuit is 0.5 A. How much charge passes in 2 min. ? C = 6.24 x 10¹8 q = lt

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Q: A piece of wire of length 31.5 cm and cross-sectional area 227.4 cm² is made into a resistor of…

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Q: R₁ 20~ 30~ R₂ R3 40

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Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

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Q: 1. A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 minutes. Silver 24 contains…

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Q: Suppose 1.67 C of charge passes through the filament of a light bulb in 2.00 seconds. How many…

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Q: What is the current if 25 C of charge passes through an iron in 8. s? C = 6.24 x 1018 q=lt

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Q: The amount of charge flowing through a circuit varies with time according to... q(t) =  0.2t2, with…

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Q: A length of copper wire has resistance of 0.172 Ω and a cross-sectional area of 7.85 x 10^(-5) m^2.…

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Q: A current of I = 2.9 A passes through the circuit shown, where R = 96 Ω. A) In terms of R, I, and…

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Q: A copper wire of length 0.5 m and area 2 x 10^9 m^2 is connected to a 12 V battery. What current…

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Q: An aluminum wire having a cross-sectional area equal to 2.00 x 106 m2 carries a current of 3.50 A.…

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Q: Suppose 1.67 Cof charge passes through the filament of a light bulb in 2.00 seconds. How many…

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Q: The amount of charge that moves through the filament of a light bulb in 2.00 s is 2.67 C. What is…

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Q: If 3.0 x 1015 electrons flow through a section of a wire of diameter 2.0 mm in 2.0 s, what is the…

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Q: How many electrons per second pass through a section of wire carrying a current of 0.70 A? Select…

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Q: What is the current in the element of an electric clothes dryer with a resistance of 7.4 Ω when it…

A: (given)              Resistance (R)= 7.4 Ω Operating voltage (V)= 240 V                      Voltage…

Q: Use "E" as the symbol for Voltage. R, = 12 2 R, = 32 E = 10 V If ɛ = 10 V, R1 = 12 Q and R2 = 3 0,…

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Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.