Podcast
Questions and Answers
What is the SI unit of electric charge?
What is the SI unit of electric charge?
- Volt
- Coulomb (correct)
- Ampere
- Ohm
Which of the following is an example of a scalar quantity?
Which of the following is an example of a scalar quantity?
- Velocity
- Force
- Acceleration
- Mass (correct)
What is the relationship between the frequency and wavelength of a wave?
What is the relationship between the frequency and wavelength of a wave?
- Direct
- No relationship
- Depends on the medium
- Inverse (correct)
Hva er enheten for elektrisk ladning?
Hva er enheten for elektrisk ladning?
Hva er den elektriske strømmens enhet?
Hva er den elektriske strømmens enhet?
Hva er forholdet mellom spenning, strøm og motstand i en krets?
Hva er forholdet mellom spenning, strøm og motstand i en krets?
Flashcards
Coulomb
Coulomb
The SI unit of electric charge, named after Charles-Augustin de Coulomb.
Ampere
Ampere
The SI unit of electrical current, signifying the rate of flow of electric charge.
Scalar quantity
Scalar quantity
A physical quantity with magnitude only, no direction.
Inverse relationship between frequency and wavelength
Inverse relationship between frequency and wavelength
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Vector Quantity
Vector Quantity
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Ohm's Law
Ohm's Law
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Study Notes
Electric Charge and Current
- The SI unit of electric charge is the coulomb (C).
Scalar Quantities
- An example of a scalar quantity is electric charge.
Waves
- The frequency and wavelength of a wave are inversely proportional, meaning that as the frequency increases, the wavelength decreases, and vice versa.
Electricity
- The SI unit of electric current is the ampere (A).
- The relationship between voltage, current, and resistance in a circuit is described by Ohm's Law: voltage = current × resistance (V = I × R).
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