A student studied the relationship between the current,voltage,and resistance in a direct circuit.To obtain the results presented in Figure 1 and Table 1,the student constructed the circuit shown below.The student used 3 resistors and different amounts of voltage generate Table 1.The current was read from the ammeter.To obtain the results in Table 1,a 5-ohm resistor (Resistor 4)was used varid .The current was measured at the power was then calculated.Acocording to Figure 1, when 6V were applied to Resistor 1,the current was:
Correct answer: D. 2.25amp
- A. 0.50amp
- B. 0.75amp
- C. 1.50amp
- D. 2.25amp
Explanation
The correct answer is Option D: 2.25amp. When 6V are applied to Resistor 1 with a resistance of 3 ohms, the current can be calculated using Ohm's Law (I = V/R), resulting in 2.25 amps. The other options provided incorrect calculations of current based on the given circuit parameters.
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About Scientific Reasoning
Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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A student studied the relationship between the current,voltage,and resistance in a direct circuit.To obtain the results presented in Figure 1 and Table 1,the student constructed the circuit shown below.The student used 3 resistors and different amounts of voltage generate Table 1.The current was read from the ammeter.To obtain the results in Table 1,a 5-ohm resistor (Resistor 4)was used varid .The current was measured at the power was then calculated. If a trial had been performed using Resistor 3 and 12 V, the current would have been:
A student studied the relationship between the current,voltage,and resistance in a direct circuit.To obtain the results presented in Figure 1 and Table 1,the student constructed the circuit shown below.The student used 3 resistors and different amounts of voltage generate Table 1.The current was read from the ammeter.To obtain the results in Table 1,a 5-ohm resistor (Resistor 4)was used varid .The current was measured at the power was then calculated.If the voltage in the circuit used to generate Table 1 were set at 12.5 V, the power would most nearly equal: