1 00:00:04,339 --> 00:00:12,140 Study in this unit electrical circuit. We have already studied electrical circuits 2 00:00:12,140 --> 00:00:23,660 and in the last video it was a review of what you should know about this field, 3 00:00:23,660 --> 00:00:36,659 but in this year we are going to look forward and we also we are going to do some calculations 4 00:00:36,659 --> 00:00:49,939 on a to do a study need a little bit more deeply so I think it's a good idea that you 5 00:00:49,939 --> 00:01:15,840 you pay attention in this video well what is in what is itself the electrical 6 00:01:15,840 --> 00:01:25,480 everything is electrical because atoms has electrical nature so we can see we 7 00:01:25,480 --> 00:01:37,299 can understand that everything is something electrical as we have already studied in the 8 00:01:37,299 --> 00:02:02,140 So, the loads, the electrical loads, the electrical loads and a current, an electrical current 9 00:02:02,140 --> 00:02:10,639 is that in electrical current the charges can move. 10 00:02:10,639 --> 00:02:19,340 And it is important because it is important that the churches can come up. 11 00:02:19,340 --> 00:02:31,819 And if you want that the electric car church moves, you will need something, a carrier 12 00:02:31,819 --> 00:02:43,909 for this, something that can be used as a carrier. 13 00:02:43,909 --> 00:02:56,669 There are mainly two types, one are electrons, which are a particle that you can find in 14 00:02:56,669 --> 00:03:20,009 in the atom and holes which is in itself when electron don't exist, is something that can 15 00:03:20,009 --> 00:03:38,250 be defined with no existence of electrons, it is a hole. Both electrons and holes are 16 00:03:38,250 --> 00:03:48,810 the main carriers of churches, of electrical churches, and its movement 17 00:03:48,810 --> 00:04:04,669 is movement is the main the main reason why the electric circuit exists so this 18 00:04:04,669 --> 00:04:13,229 flow of electrons or holes through a conductive material is that we usually 19 00:04:13,229 --> 00:04:26,560 call electric current so it's important to know the electrical magnitudes under 20 00:04:26,560 --> 00:04:36,879 units because it can define what is an electrical circuit. We have 21 00:04:36,879 --> 00:04:49,600 Church which is a matter characteristics and its unit is column. We also have 22 00:04:49,600 --> 00:05:00,939 resistance which is the the opposition of the the materials a to to this 23 00:05:00,939 --> 00:05:11,860 movement of churches we also have a intensity or current which unit is 24 00:05:11,860 --> 00:05:28,439 ampere and it is the quantity of charge per unit of time. Voltage which is 25 00:05:28,439 --> 00:05:42,480 energy per unit of charge and its unit is volt and we also energy, electric 26 00:05:42,480 --> 00:05:54,860 energy and electric power. Electric power can be calculated by the product of a volt 27 00:05:54,860 --> 00:06:10,259 current and energy is the electric power multiplied by time. The unit of electric 28 00:06:10,259 --> 00:06:28,370 power is a battery but for electric energy is tuned very important also because we 29 00:06:28,370 --> 00:06:36,750 usually use them to represent the circuits electrical circuits and as we 30 00:06:36,750 --> 00:06:43,350 as we already know in technology the graphical communication is very very 31 00:06:43,350 --> 00:06:52,250 important. So, symbols are very very important and we need to design 32 00:06:52,250 --> 00:07:12,259 circuits using symbols and we also need to read these diagrams well. The 33 00:07:12,259 --> 00:07:28,339 cycles are important well to know and to calculate something in our cell in any 34 00:07:28,339 --> 00:07:38,060 in an electrical cycle you need the Ohm's law which is this the Ohm's law 35 00:07:38,060 --> 00:07:50,360 and shows the relationship between a current resistance and voltage and it's 36 00:07:50,360 --> 00:07:58,519 so important because of this so you you need to study and to understand this 37 00:07:58,519 --> 00:08:21,199 this law. It's something that you can, well, George Bolt, George Simon Bolt has come up 38 00:08:21,199 --> 00:08:29,459 with this equation and it's very important in the electric cycles.