What is the main function of a resistor in an electric circuit?
True or false: In a parallel circuit, the total current is the sum of the individual currents through each component.
Which components can be used to vary the current in an electric circuit? Select all that apply.
What happens to the current in a series circuit if one of the components breaks?
True or false: The voltage is the same at every point in a series circuit.
In a series circuit, if the resistance is doubled, the current will be...
What does the current in a circuit depend on? Select all that apply.
What is the symbol for a cell in an electric circuit?
True or false: The potential difference across a component in a parallel circuit is the same for each component.
When is electric power in a circuit dissipated? Select all that apply.
What is the unit for electric power?
True or false: The power of an appliance increases if the voltage across it increases.
Which factors affect the resistance in a wire? Select all that apply.
What is the name of the rule used to calculate total resistance in a series circuit?
True or False: In a series circuit, the total resistance is the sum of the individual resistances.