Resumen
Summary IEB MATRIC PHYSICAL SCIENCE NOTES
- Grado
- Institución
notes on sections: photons and electrons, electromagnetism, diodes and transformers, electricity, electrostatics as well as momentum and impulse.
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Algunos ejemplos de esta serie de preguntas de práctica
1.
EMF
Respuesta: total energy supplied per coulomb of charge by the cell
2.
Resistance
Respuesta: materials opposition to the flow of current
3.
Current
Respuesta: the rate of flow of charge
4.
Potential Difference
Respuesta: the work done per unit positive
5.
Ohms Law
Respuesta: current through a conductor is directly proportional to the potential difference across the conductor at constant temperature
6.
Photo Electric Effect
Respuesta: the process that occurs when light shines on a metal and electrons are ejected. it is significant because it establishes the quantum theory and it illustrates the particle nature of light
7.
Work function
Respuesta: the minimum amount of energy needed to emit an electron from the surface of a metal
8.
Threshold frequency
Respuesta: the minimum frequency of incident radiation at which electrons will be emitted from a particular metal
9.
Coulombs Law
Respuesta: states that the attractive or repulsive force between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between centres
10.
Electric Field
Respuesta: the space around an electrical charge, in which any other charge will experience a force which is electrical in nature
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