MUSINGU HIGH SCHOOL PHYSICS FORM THREE APRIL 2014
... c) One of the 6 resistors has a length of 1m and cross-sectional area of 5.0 x 10-5m2. Calculate the resistivity of the material. An electric bulb with a filament of resistance 480 is connected to a 240V mains supply. Determine the energy dissipated in 2 minutes. A student wishes to investigate th ...
... c) One of the 6 resistors has a length of 1m and cross-sectional area of 5.0 x 10-5m2. Calculate the resistivity of the material. An electric bulb with a filament of resistance 480 is connected to a 240V mains supply. Determine the energy dissipated in 2 minutes. A student wishes to investigate th ...
Modifying the exterior lighting of the Ram truck Use of LED lamps in
... and heat dissipation. It is further suggested that they be located very near the LED’s; this is to help with any future related maintenance to the lighting circuits. Preferred method (B) service – cut and adds wire toorarepairs circuit at the CBC, refer to photos ...
... and heat dissipation. It is further suggested that they be located very near the LED’s; this is to help with any future related maintenance to the lighting circuits. Preferred method (B) service – cut and adds wire toorarepairs circuit at the CBC, refer to photos ...
Unit iii – ic 741 OP-AMP - AJAY KUMAR GAUTAM
... Input stage consists of transistors through Q1 to Q 7. The biasing is performed by transistors Q8, Q9 and Q10. Transistors Q5, Q6 and Q7 and resistors R1, R2 and R3 form the load circuit of the input stage. Every OP-AMP circuit uses a level shifter. The function of level shifter is to shift ...
... Input stage consists of transistors through Q1 to Q 7. The biasing is performed by transistors Q8, Q9 and Q10. Transistors Q5, Q6 and Q7 and resistors R1, R2 and R3 form the load circuit of the input stage. Every OP-AMP circuit uses a level shifter. The function of level shifter is to shift ...
Current - 7th and 8th Grade Science
... • When electrical charges move, they are known as electric current • Electrical current is the flow of electrons through a substance (a conductor). • Usually, it is the flow of electrons through ...
... • When electrical charges move, they are known as electric current • Electrical current is the flow of electrons through a substance (a conductor). • Usually, it is the flow of electrons through ...
Digital Logic Gates
... Digital Logic Gates Standard commercially available Digital Logic Gates are available in two basic forms, TTL which stands for Transistor-Transistor Logic such as the 7400 series, and CMOS which stands for Complementary Metal-Oxide-Silicon which is the 4000 series of chips. Generally speaking, this ...
... Digital Logic Gates Standard commercially available Digital Logic Gates are available in two basic forms, TTL which stands for Transistor-Transistor Logic such as the 7400 series, and CMOS which stands for Complementary Metal-Oxide-Silicon which is the 4000 series of chips. Generally speaking, this ...
Integrated circuit
An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small plate (""chip"") of semiconductor material, normally silicon. This can be made much smaller than a discrete circuit made from independent electronic components. ICs can be made very compact, having up to several billion transistors and other electronic components in an area the size of a fingernail. The width of each conducting line in a circuit can be made smaller and smaller as the technology advances; in 2008 it dropped below 100 nanometers, and has now been reduced to tens of nanometers.ICs were made possible by experimental discoveries showing that semiconductor devices could perform the functions of vacuum tubes and by mid-20th-century technology advancements in semiconductor device fabrication. The integration of large numbers of tiny transistors into a small chip was an enormous improvement over the manual assembly of circuits using discrete electronic components. The integrated circuit's mass production capability, reliability and building-block approach to circuit design ensured the rapid adoption of standardized integrated circuits in place of designs using discrete transistors.ICs have two main advantages over discrete circuits: cost and performance. Cost is low because the chips, with all their components, are printed as a unit by photolithography rather than being constructed one transistor at a time. Furthermore, packaged ICs use much less material than discrete circuits. Performance is high because the IC's components switch quickly and consume little power (compared to their discrete counterparts) as a result of the small size and close proximity of the components. As of 2012, typical chip areas range from a few square millimeters to around 450 mm2, with up to 9 million transistors per mm2.Integrated circuits are used in virtually all electronic equipment today and have revolutionized the world of electronics. Computers, mobile phones, and other digital home appliances are now inextricable parts of the structure of modern societies, made possible by the low cost of integrated circuits.