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368447
Energy, Power and Heat Mind Map
Descrição
This Mind Map outlines concepts about energy, power and heat. Understanding these is essential for anyone studying physics
Sem etiquetas
beginner physics
science
science
leaving certificate
Mapa Mental por
PatrickNoonan
, atualizado more than 1 year ago
Mais
Menos
Criado por
PatrickNoonan
mais de 10 anos atrás
3666
1
0
Resumo de Recurso
Energy, Power and Heat Mind Map
Ohm's Law
V= IR
I = V/R
R= V/I
states that the current through a conductor between two points is directly proportional to the potential difference across the two points.
Power and resistance
H = I^2R = V^2/R
Ac/ Dc
Heat
H = I^2Rt = Pt
a process of transfer of energy between a system and its surroundings other than by work or transfer of matter.
Kilowatt Hours
Power
P=IV
Power is the rate at which energy is generated or consumed and hence is measured in units (e.g. watts) that represent 'energy per unit time'
Watt
Unit of Power
one watt is the rate at which work is done when one ampere (A) of current flows through an electrical potential difference of one volt (V).
Anexos de mídia
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