Podcast
Questions and Answers
What type of graph is appropriate for a set of data?
What type of graph is appropriate for a set of data?
- Bar graph
- Line graph (correct)
- Pie chart
- Curved graph
When calculating resistance using the slope of a line of best fit on a scatter graph, what does a steeper slope indicate?
When calculating resistance using the slope of a line of best fit on a scatter graph, what does a steeper slope indicate?
- Variable resistance
- No resistance
- Higher resistance (correct)
- Lower resistance
What formula can be used to calculate energy efficiency when analyzing a bouncing ball?
What formula can be used to calculate energy efficiency when analyzing a bouncing ball?
- $\frac{\text{Bounce height}}{\text{Drop height}} \times 100$
- $\text{Drop height} - \text{Bounce height}$
- $\frac{\text{Drop height}}{\text{Bounce height}} \times 100$ (correct)
- $\frac{\text{Drop height}}{\text{Bounce height}}$
In the context of wind turbines, what is a common feature of valid experiments or fair tests regarding their operation?
In the context of wind turbines, what is a common feature of valid experiments or fair tests regarding their operation?
When constructing parallel and series circuits, which type of circuit has the same current passing through each component?
When constructing parallel and series circuits, which type of circuit has the same current passing through each component?
What is the difference between potential energy and kinetic energy?
What is the difference between potential energy and kinetic energy?
What does the term 'P = V x I' represent in a circuit diagram?
What does the term 'P = V x I' represent in a circuit diagram?
How is electrical power (P) calculated in a circuit?
How is electrical power (P) calculated in a circuit?
What does 'C' stand for in the acronym used to evaluate scientific evidence?
What does 'C' stand for in the acronym used to evaluate scientific evidence?
In the context of energy transformations, what is meant by 'coherence'?
In the context of energy transformations, what is meant by 'coherence'?
How can energy transformation be best illustrated?
How can energy transformation be best illustrated?
Which of the following represents the correct sequence of energy transformations for a coal-fired power station?
Which of the following represents the correct sequence of energy transformations for a coal-fired power station?
What is the correct symbol used in a circuit diagram to represent a light bulb?
What is the correct symbol used in a circuit diagram to represent a light bulb?
To investigate Ohm's law quantitatively, which of the following measurements would you need to take?
To investigate Ohm's law quantitatively, which of the following measurements would you need to take?
If a machine has an energy output of 200 joules and an energy input of 500 joules, what is its energy efficiency as a percentage?
If a machine has an energy output of 200 joules and an energy input of 500 joules, what is its energy efficiency as a percentage?
Which of the following is the most appropriate way to present data from an investigation of Ohm's law?
Which of the following is the most appropriate way to present data from an investigation of Ohm's law?
In the context of energy transfers and transformations, what does the term 'energy transfer' refer to?
In the context of energy transfers and transformations, what does the term 'energy transfer' refer to?
Flashcards are hidden until you start studying
