Podcast
Questions and Answers
What is the SI unit of electric current?
What is the SI unit of electric current?
- Volt
- Watt
- Ampere (correct)
- Coulomb
In which direction is the electric current conventionally considered to flow in a circuit?
In which direction is the electric current conventionally considered to flow in a circuit?
- It varies depending on the circuit
- From positive to negative terminal (correct)
- From negative to positive terminal
- From both terminals simultaneously
What happens if any part of a circuit is broken or disconnected?
What happens if any part of a circuit is broken or disconnected?
- The circuit becomes a closed circuit
- The circuit becomes an open circuit (correct)
- Electric current flows even faster
- Electric current stops flowing through it
Which of the following components are essential in an electric circuit?
Which of the following components are essential in an electric circuit?
What type of circuit allows electric current to flow due to no breaks or disconnections?
What type of circuit allows electric current to flow due to no breaks or disconnections?
What happens when a bulb is connected across a cell circuit?
What happens when a bulb is connected across a cell circuit?
What is the purpose of an electric switch in a circuit?
What is the purpose of an electric switch in a circuit?
Why is it recommended to have an adult present when conducting Activity 1?
Why is it recommended to have an adult present when conducting Activity 1?
What happens to the temperature of the bulb when the switch is turned off in Activity 1?
What happens to the temperature of the bulb when the switch is turned off in Activity 1?
Which device uses the heating effect of electric current to produce light?
Which device uses the heating effect of electric current to produce light?
What does passing electric current through a conductor produce?
What does passing electric current through a conductor produce?
What other forms of energy can be obtained from electrical energy according to the text?
What other forms of energy can be obtained from electrical energy according to the text?
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