Podcast
Questions and Answers
What is a conductor in terms of electricity?
What is a conductor in terms of electricity?
- A material with tightly packed electrons
- A material that partially allows electricity to flow through it
- A material that prevents the flow of electricity through it
- A material that allows electricity to flow through it (correct)
Why do electrons in conductors flow freely?
Why do electrons in conductors flow freely?
- Because they are delocalized (correct)
- Because they are poor conductors
- Because they are tightly packed
- Because they are insulators
What allows some materials to be classified as poor conductors?
What allows some materials to be classified as poor conductors?
- Complete flow of electricity
- Tightly packed electrons
- Delocalized electrons
- Partial flow of electricity (correct)
Why are insulators unable to conduct electricity effectively?
Why are insulators unable to conduct electricity effectively?
In what situations can air behave as a conductor of electricity?
In what situations can air behave as a conductor of electricity?
Based on the text, why are some materials always classified as good and poor conductors rather than just conductors and insulators?
Based on the text, why are some materials always classified as good and poor conductors rather than just conductors and insulators?
What is the purpose of using LED bulbs in testing the electrical conductivity of liquids?
What is the purpose of using LED bulbs in testing the electrical conductivity of liquids?
Why would a filament not light up in a liquid that conducts electricity weakly?
Why would a filament not light up in a liquid that conducts electricity weakly?
What device can be used instead of LEDs to test electrical conductivity?
What device can be used instead of LEDs to test electrical conductivity?
What is the process called when components of a compound split due to passing an electric current?
What is the process called when components of a compound split due to passing an electric current?
What is an electrolyte in the context of electricity?
What is an electrolyte in the context of electricity?
Which electrode is positively charged in an electrolytic cell?
Which electrode is positively charged in an electrolytic cell?
What is the purpose of electroplating?
What is the purpose of electroplating?
Why is distilled water considered a poor conductor of electricity?
Why is distilled water considered a poor conductor of electricity?
Why is it important to choose the right electrodes and electrolytes for electroplating?
Why is it important to choose the right electrodes and electrolytes for electroplating?
Which type of liquid is most likely to be a good conductor of electricity?
Which type of liquid is most likely to be a good conductor of electricity?
Which of the following metals is NOT commonly used for electroplating?
Which of the following metals is NOT commonly used for electroplating?
What type of material should one of the electrodes be made of in electroplating?
What type of material should one of the electrodes be made of in electroplating?
Why are LED bulbs more suitable for testing electrical conductivity of liquids?
Why are LED bulbs more suitable for testing electrical conductivity of liquids?
Why is it necessary to ensure that the electrode chosen for electroplating is completely clean?
Why is it necessary to ensure that the electrode chosen for electroplating is completely clean?
What happens when different substances are mixed in water and electricity is passed through them?
What happens when different substances are mixed in water and electricity is passed through them?
What happens if the wrong electrolyte is chosen for electroplating?
What happens if the wrong electrolyte is chosen for electroplating?
Why do solutions of acids or bases conduct electricity?
Why do solutions of acids or bases conduct electricity?
Why are sugar water, oil, and alcohol considered poor conductors of electricity?
Why are sugar water, oil, and alcohol considered poor conductors of electricity?
What does the observation that current does not flow in the circuit if there is a gap between the two wires indicate?
What does the observation that current does not flow in the circuit if there is a gap between the two wires indicate?
If Boojho passes an electric current through water without adding lemon juice, what difference would it make to his observations?
If Boojho passes an electric current through water without adding lemon juice, what difference would it make to his observations?
What does the deflection in the magnetic compass indicate in the circuit shown in Fig. 14.11 B?
What does the deflection in the magnetic compass indicate in the circuit shown in Fig. 14.11 B?
Why did the bulb not glow in the circuit shown in Fig. 14.11 A?
Why did the bulb not glow in the circuit shown in Fig. 14.11 A?
What effect would an increase in the number of turns in the coil wound around the magnetic compass have in Fig. 14.11 B?
What effect would an increase in the number of turns in the coil wound around the magnetic compass have in Fig. 14.11 B?
What will be observed if the number of cells are increased in the circuit shown in Fig. 14.11 B?
What will be observed if the number of cells are increased in the circuit shown in Fig. 14.11 B?
Flashcards are hidden until you start studying
