Electric Current
Electric Current: Overview
This topic covers concepts, such as, Direction of Flow of Current outside a Cell, Conventional Direction of Electric Current,Electric Current and Direction of Flow of Current inside a Cell etc.
Important Questions on Electric Current
The application of Gamma rays destroys botulism toxin. The dose of gamma rays required for this purpose is
The current passing through a conductor is 5 ampere. The charge that passes through that conductor in 5 minute is
Compute the current in the wire if a charge of is flowing through a copper wire in .
Find the amount of charges passing through a copper wire in 15 s producing a current of 5 A.
What is insulating material and why it is important?
What do you mean by elementary charge?
Electrical insulators are used to protect us from electric shocks.
Write some uses of electrical insulators.
Electric conductors are used in thermometers.
Explain some uses of electric conductors.
What is an electric charge?
Write the CGS and SI unit of charge. What is the relation between them?
What is the SI unit of charge?
Direction of current is taken opposite to the direction of flow of
Conventionally, the direction of the current is taken as
Electric current flows from the positive terminal of a battery to the negative terminal.
The conventional direction of flow of current is
State the SI unit of current.
Write the relation between coulomb and ampere.
A body has a negative charge of . It means the body has gained:
