Podcast
Questions and Answers
What is the smallest particle of an element that retains all its characteristics?
What is the smallest particle of an element that retains all its characteristics?
- Molecule
- Neutron
- Atom (correct)
- Proton
How many known elements are there currently?
How many known elements are there currently?
- 140
- 103
- 92
- 118 (correct)
What do we call the outer shell of an atom?
What do we call the outer shell of an atom?
- Valence shell (correct)
- Core
- Nucleus
- Electron cloud
What determines the Atomic number of an atom?
What determines the Atomic number of an atom?
What is the chemical combination of two or more elements called?
What is the chemical combination of two or more elements called?
Which method uses heat to produce an EMF/Voltage?
Which method uses heat to produce an EMF/Voltage?
What is the unit of electric charge?
What is the unit of electric charge?
What is the symbol for electromotive force?
What is the symbol for electromotive force?
In a primary cell, what happens to the electrode?
In a primary cell, what happens to the electrode?
How do cells connected in parallel affect the output?
How do cells connected in parallel affect the output?
In a discharging capacitor, how long does it take for the emf to reach 36.8% of maximum?
In a discharging capacitor, how long does it take for the emf to reach 36.8% of maximum?
What is the total capacitance of a parallel circuit containing three capacitors with capacitance of 0.25μF, 0.03μF, and 0.12μF, respectively?
What is the total capacitance of a parallel circuit containing three capacitors with capacitance of 0.25μF, 0.03μF, and 0.12μF, respectively?
What type of load would require the use of an electrolytic capacitor?
What type of load would require the use of an electrolytic capacitor?
What is the dielectric strength in a capacitor measured in?
What is the dielectric strength in a capacitor measured in?
If a 20 pico farad capacitor with a 1MΩ resistor takes how long to fully charge?
If a 20 pico farad capacitor with a 1MΩ resistor takes how long to fully charge?
What is the energy stored in a 2µF capacitor with a potential difference across it of 10V?
What is the energy stored in a 2µF capacitor with a potential difference across it of 10V?
If a 5µF capacitor is fully charged to 50V and then connected to a 100Ω resistor, how long will it take to discharge by 63.2%?
If a 5µF capacitor is fully charged to 50V and then connected to a 100Ω resistor, how long will it take to discharge by 63.2%?
In an RC circuit, if the resistance is doubled, what happens to the time constant?
In an RC circuit, if the resistance is doubled, what happens to the time constant?
If a 2µF capacitor and a 4µF capacitor are connected in series, what is the equivalent capacitance?
If a 2µF capacitor and a 4µF capacitor are connected in series, what is the equivalent capacitance?
What happens to the charge stored in a capacitor if the potential difference across it is doubled?
What happens to the charge stored in a capacitor if the potential difference across it is doubled?
