Podcast
Questions and Answers
What is the Greek word for amber?
What is the Greek word for amber?
- Elektron (correct)
- Proton
- Neutron
- Coulomb
Who observed that many substances have the same ability as amber to attract nearby objects?
Who observed that many substances have the same ability as amber to attract nearby objects?
- Amber Greek
- Neutron
- Charles-Augustin de Coulomb
- William Gilbert (correct)
What is the unit of electrical charge?
What is the unit of electrical charge?
- Coulomb (correct)
- Electron
- Neutron
- Proton
Which type of materials readily allow the flow of charges through them?
Which type of materials readily allow the flow of charges through them?
What type of material resists the flow of charges?
What type of material resists the flow of charges?
What term is used for materials intermediate between conductors and insulators?
What term is used for materials intermediate between conductors and insulators?
What is the measure of the number of field lines passing through a surface?
What is the measure of the number of field lines passing through a surface?
Who introduced the use of electric lines of force to map out an electric field?
Who introduced the use of electric lines of force to map out an electric field?
What is the process of adding atoms of different elements to pure semiconductors to improve their conductivity called?
What is the process of adding atoms of different elements to pure semiconductors to improve their conductivity called?
Which physicist discovered superconductivity by cooling mercury to a temperature of about 4 K?
Which physicist discovered superconductivity by cooling mercury to a temperature of about 4 K?
What causes any charged particle placed in it to experience an electric force?
What causes any charged particle placed in it to experience an electric force?
According to the Superposition Principle, what is the total force acting on a given charge equal to?
According to the Superposition Principle, what is the total force acting on a given charge equal to?
