Updated By SaraNextGen

On April 21, 2024, 11:35 AM

Question 1:

What does an electric circuit mean?

Answer:

An electric circuit consists of electric devices, switching devices, source of electricity, etc. that are connected by conducting wires.

Question 2:

Define the unit of current.

Answer:

The unit of electric current is ampere (A). 1 A is defined as the flow of 1 C of charge through a wire in 1 s.

Question 3:

Calculate the number of electrons constituting one coulomb of charge.

Answer:

One electron possesses a charge of 1.6 × 10⁻¹⁹ C, i.e., 1.6 × 10⁻¹⁹ C of charge is contained in 1 electron.

∴ 1 C of charge is contained in 

Therefore,   electrons constitute one coulomb of charge.