Question 1 of 10
What is the relationship between voltage (V), current (I), and resistance (R) according to Ohm's Law?
Ohm's Law states that Voltage (V) is equal to Current (I) multiplied by Resistance (R).
Question 2 of 10
What are the units of measurement for resistance in Ohm's Law?
Resistance is measured in Ohms (?).
Question 3 of 10
If a circuit has a voltage of 12V and a resistance of 4?, what is the current flowing through the circuit?
Using Ohm's Law (I = V/R), I = 12V / 4? = 3A.
Question 4 of 10
What happens to the current in a circuit if the voltage is doubled, assuming the resistance remains constant?
According to Ohm's Law, current is directly proportional to voltage. Doubling the voltage doubles the current, assuming resistance is constant.
Question 5 of 10
What is the formula to calculate resistance (R) using Ohm's Law?
Ohm's Law rearranged to solve for Resistance (R) gives R = V/I.
Question 6 of 10
Which of the following is NOT a limitation of Ohm's Law?
Ohm's law does have limitations in AC circuits, but is not the main one since it can still be applied, although the complex impedance needs to be considered.
Question 7 of 10
What happens to the current in a circuit if the resistance is doubled, assuming the voltage remains constant?
According to Ohm's Law, current is inversely proportional to resistance. Doubling the resistance halves the current, assuming voltage is constant.
Question 8 of 10
Ohm's Law is primarily applicable to which type of circuits?
Ohm's Law is most straightforwardly applied to Direct Current (DC) circuits.
Question 9 of 10
In a series circuit, what is the relationship between the total resistance and the individual resistances?
In a series circuit, the total resistance is the sum of the individual resistances.
Question 10 of 10
What is the term for the opposition to the flow of current in an electrical circuit?
Resistance is the opposition to the flow of current.
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