The rate of flow of electrical charge in a circuit. | Electric Current |
What is electric current? | The rate of flow of electrical charge. |
The factors that influence the speed of the flow of electrical charge in a circuit. | Factors Affecting Electric Current |
What does a bigger electric current indicate? | A faster flow of electrical charge. |
A complete, unbroken loop in an electric circuit. | Closed Circuit |
Why is a closed circuit necessary for electric charge to flow? | Charge will not flow if there is a break or gap in the circuit. |
In a closed circuit that forms a single loop, the electric current is the same everywhere. | Uniform Current in a Closed Loop |
What is the characteristic of electric current in a closed loop circuit? | The current is the same everywhere in the circuit. |
Materials, like metals, that allow the flow of electric current due to the movement of electrons. | Conductors in Electric Current |
In metals, what is responsible for the flow of electric current? | The flow of electrons. |
A gap or interruption in the path of an electric circuit that prevents the flow of charge. | Break in the Circuit |
What happens if there is a break in the circuit? | Charge will not flow. |
A device used to measure the electric current flowing through a component in a circuit. | Ammeter |
What does an ammeter measure? | The electric current flowing through a component. |
The proper connection of an ammeter in a circuit, which is in series with the component being measured. | Connection of Ammeter |
How should an ammeter be connected in a circuit? | In series with the component being measured. |
The value displayed by an ammeter, indicating the current flowing through the component in amps (A). | Ammeter Reading |
What unit is used to measure electric current in an ammeter? | Amps (A) |
. | The relationship between charge (Q), current (I), and time (t). |
Coulomb (C) | The unit of electric charge. |
Ampere (A) | The unit of electric current. |
Second (s) | The unit of time. |
What is the unit of charge in the equation? | Coulombs (C). |
What is the unit of current in the equation? | Amps (A). |
What is the unit of time in the equation? | Seconds (s). |
How do you calculate charge using the equation? | Multiply the current (I) by the time (t). |
If a current of 2 A flows for 15 seconds, what is the charge flow? | Q = 2A × 15s = 30C. |
The principle stating that current is conserved at a junction in a circuit, meaning the total current flowing into the junction is equal to the total current flowing out. | Current Conservation |
What does the principle of current conservation state in a circuit junction? | The total current flowing into the junction is equal to the total current flowing out. |
A circuit configuration where current flows through more than one branch, and the total current is shared between each branch. | Parallel Circuit |
Describe a parallel circuit, in terms of current flow. | In a parallel circuit, current flows through more than one branch, and the total current is shared between each branch. |
The sum of the currents through the components of each branch in a parallel circuit. To find the total current, you add up the current through every component. | Total Current in Parallel Circuit |
How is the total current in a parallel circuit determined? | The total current is the sum of the currents through the components of each branch. To find it, you add up the current through every component. |
The phenomenon in a parallel circuit where the total current is distributed among the branches based on their individual resistances. | Current Distribution |
What is current distribution in a parallel circuit? | It is the phenomenon where the total current is distributed among the branches based on their individual resistances. |
A process where the total current is determined by adding up the individual currents in each branch. For instance, in a circuit with two bulbs having a current of 2 A each, the total current is found by adding 2 A + 2 A. | Example Calculation in Parallel Circuit |
How do you calculate the total current in a parallel circuit using an example? | You add up the individual currents in each branch. For example, in a circuit with two bulbs having a current of 2 A each, the total current is found by adding 2 A + 2 A, resulting in 4 A. |