14 Questions
What is the name of a continuous and closed path of an electric current?
Electric circuit
In a torch, what makes a conducting link between the cell and the bulb?
Switch
How is electric current expressed?
By the amount of charge flowing through a particular area in unit time
What happens to the electric current when the circuit is broken or the switch is turned off?
The current stops flowing
What is the unit of electric charge?
Coulomb
Who was the electric current originally thought to be constituted of?
Positively charged particles
What is the unit of electric current?
Ampere
What instrument measures electric current in a circuit?
Ammeter
What is the direction of the electric current in an electric circuit using metallic wires?
Opposite to the direction of the electrons
What constitutes one ampere?
$1$ C per second
What does a switch do in an electric circuit?
Interrupts the flow of electric current
How is electric current expressed?
By the amount of charge flowing through a particular area in unit time
What constitutes the flow of charges in circuits using metallic wires?
Electrons
What was considered to be the direction of electric current when it was first observed?
The direction of flow of positive charges
Explore the fundamental concepts of electricity, including the flow of electric current in circuits, factors that regulate current, and the heating effect of electric current. Gain insight into the applications of electric current in various settings such as homes, schools, hospitals, and industries.
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