Podcast
Questions and Answers
What is the abbreviation for direct current?
What is the abbreviation for direct current?
- vc
- ac
- de
- dc (correct)
In which direction does current flow in a cell from its positive terminal to its negative terminal?
In which direction does current flow in a cell from its positive terminal to its negative terminal?
- From positive to negative (correct)
- It flows in a circular motion
- It changes direction constantly
- From negative to positive
What happens when a primary cell gets discharged?
What happens when a primary cell gets discharged?
- It increases its current output
- It stops giving current and becomes useless (correct)
- It becomes rechargeable
- It transforms into a secondary cell
What is the characteristic of a direct current flowing in one direction?
What is the characteristic of a direct current flowing in one direction?
What is the function of electrodes in a cell?
What is the function of electrodes in a cell?
What distinguishes primary cells from secondary cells or accumulators?
What distinguishes primary cells from secondary cells or accumulators?
What is the main characteristic of direct current (d.c)?
What is the main characteristic of direct current (d.c)?
In a primary cell, what type of reaction provides current?
In a primary cell, what type of reaction provides current?
What happens to primary cells after the chemical energy has been converted into electrical energy?
What happens to primary cells after the chemical energy has been converted into electrical energy?
What is the purpose of the positive terminal in a cell?
What is the purpose of the positive terminal in a cell?
What is the role of electrodes in a cell?
What is the role of electrodes in a cell?
What happens to a cell when it gets discharged?
What happens to a cell when it gets discharged?
Why are primary cells considered 'use and throw' type of cells?
Why are primary cells considered 'use and throw' type of cells?
Which direction does current flow in a cell?
Which direction does current flow in a cell?
What is the purpose of the zinc case in a dry cell?
What is the purpose of the zinc case in a dry cell?
What kind of cells provide current through reversible chemical reactions?
What kind of cells provide current through reversible chemical reactions?
