12 Questions
What is the SI unit of electric current?
Ampere
In which direction is the electric current conventionally considered to flow in a circuit?
From positive to negative terminal
What happens if any part of a circuit is broken or disconnected?
The circuit becomes an open circuit
Which of the following components are essential in an electric circuit?
An electric cell
What type of circuit allows electric current to flow due to no breaks or disconnections?
Closed circuit
What happens when a bulb is connected across a cell circuit?
Electrical energy is converted into light energy
What is the purpose of an electric switch in a circuit?
To regulate the flow of electric current
Why is it recommended to have an adult present when conducting Activity 1?
To prevent electric shock accidents
What happens to the temperature of the bulb when the switch is turned off in Activity 1?
The temperature decreases immediately
Which device uses the heating effect of electric current to produce light?
Incandescent bulb
What does passing electric current through a conductor produce?
Heat energy
What other forms of energy can be obtained from electrical energy according to the text?
Other forms of energy apart from electrical energy
Test your knowledge about electric current, circuits, and the flow of charges in a circuit. Learn about the conversion of electrical energy into light energy using bulbs connected to cells. Understand the concept of ampere as the SI unit of electric current.
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