ABC Question 16A parallel circuit contains a battery with a voltage of 10 volts. The total resistance in the circuit is 20 ohms. Which claim about the current in the circuit can be supported mathematically from the relationships between voltage, current, and resistance? A claim 1: the current flowing through the circuit is 0.5 amps because current is related to voltage and resistance by the formula I= V/R. B claim 2: the current flowing through the circuit is 2 amps because current is related to voltage and resistance by the formula I= V/R. C claim 3: the current flowing through the circuit is 30 amps because current is related to voltage and resistance by the formula I= V/R. D claim 4: the current flowing through the circuit is 200 amps because current is related to voltage and resistance by the formula I= V/R.
Question
ABC Question 16A parallel circuit contains a battery with a voltage of 10 volts. The total resistance in the circuit is 20 ohms. Which claim about the current in the circuit can be supported mathematically from the relationships between voltage, current, and resistance? A claim 1: the current flowing through the circuit is 0.5 amps because current is related to voltage and resistance by the formula I= V/R. B claim 2: the current flowing through the circuit is 2 amps because current is related to voltage and resistance by the formula I= V/R. C claim 3: the current flowing through the circuit is 30 amps because current is related to voltage and resistance by the formula I= V/R. D claim 4: the current flowing through the circuit is 200 amps because current is related to voltage and resistance by the formula I= V/R.
Solution
The correct claim is A: the current flowing through the circuit is 0.5 amps. This is because the formula for current (I) is indeed I = V/R, where V is voltage and R is resistance. If you plug in the given values into this formula, you get I = 10V / 20Ω = 0.5A. Therefore, claim 1 is supported mathematically.
Similar Questions
A student experiments with a simple circuit by testing it with a 1.2 - volt battery. Next, the student tests the same circuit with a 3.6-volt battery instead. The student records the voltage, resistance, and current of both trials in a table.Trial Number Voltage (volts) Resistance (ohms) Current (amperes)Trial 1 1.2 800 0.0015Trial 2 3.6 800 0.0045Based on the experiment, which claim can the student make about the relationship between voltage, resistance, and current?A When voltage is increased, the current will decrease if the resistance remains constant.B When voltage is increased, the current will increase if the resistance remains constant.C When resistance is increased, the voltage and current will also increase.D When resistance is increased, the voltage and current will both decrease.
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