20 Questions
Where should the ammeter be placed in the circuit?
In series
Where should the voltmeter be placed in the circuit?
In parallel
What does the ammeter measure?
Current (in amps)
What does the voltmeter measure?
Voltage (in volts)
What happens when you vary the variable resistor?
It alters the current flowing through the circuit.
Why is it important to place the ammeter in series and the voltmeter in parallel?
To correctly measure current and voltage
What is the purpose of using the basic circuit for testing components?
To get I-V graphs for components
What does putting components in series allow in the circuit?
They can be put in any order
Why should the voltmeter not be placed around the variable resistor or the battery?
To measure voltage accurately
What can you do after taking readings from the ammeter and voltmeter?
Plot these values on an I-V graph
What is the unit for voltage?
One volt is one joule per coulomb
Define voltage in terms of energy transfer per unit charge passed.
Voltage is the energy transferred per unit charge passed.
How can you calculate the energy transferred to or from an amount of charge passing through a voltage?
Energy transferred = Charge x Voltage
What is the equation for calculating the energy transferred by an amount of charge passing through a resistance?
Energy transferred = Charge x Current x Resistance
What happens to the energy dissipated in the circuit if the charge is raised 'higher' at the start?
More energy will be dissipated in the circuit.
What is the relationship between energy transferred and charge passing through a voltage?
Energy transferred = Charge x Voltage
How is the volt defined?
One volt is one joule per coulomb
What is the purpose of combining V = 1 x R with the energy transferred equation?
To calculate the energy transferred by charge passing through a resistance
Why does more energy get dissipated in the circuit when the charge is raised higher at the beginning?
Because the charge is raised 'higher' at the start
What is the equation for calculating energy transferred through a resistance using current and voltage?
Energy transferred = Charge x Current x Resistance
Learn about parallel circuits where each component is separately connected to the positive and negative of the supply, and removing or disconnecting one component has minimal effect on the others. Explore how this type of circuit is commonly used in various applications like cars and household electronics.
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