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HOMEWORK QUESTION 1 What is the difference between a datasheet and a schematic? Datasheet provides valuable information about an specific component and a schematic shows the actual lay out of a circuit HOMEWORK QUESTION 2 What is the circuit symbol for a power supply? http://www.easyvectors.com/asse...

HOMEWORK QUESTION 1 What are two uses of the 555 timer? Proximity alarm and music keyboard HOMEWORK QUESTION 2 How many pins does a standard LM555 timer IC have and what are the names of each pin? eight! 1=Ground, 2=trigger, 3= output, 4=reset, 5=control Voltage, 6= Threshold, 7=discharge, 8= Vcc (+...

HOMEWORK QUESTION 1 What are two uses for Op-Amps? Inverting and summing HOMEWORK QUESTION 2 What are the two main types of amplifier configurations used with Op-Amps? Inverting and non-inverting HOMEWORK QUESTION 3 How can an Op-Amp be used as a comparator? A ‘comparator’ is an circuit that compare...

HOMEWORK QUESTION 1 What is a transistor? Why did the transistor lead to the digital revolution? An electronic semiconductor device that is made of doped materials, and often used in switching or amplifying applications. It permited more sofisticated circuits in less space, providing the necesary ba...

HOMEWORK QUESTION 1 What are some differences between a LED and a rectifier diode? LED emits light when conducting, whereas rectifier diode doesn’t emit. LEDs are often used as light sources, and rectifier diodes are used in rectifying applications. Materials used in rectifier diodes and LED’s have ...

HOMEWORK QUESTION 1 Can you name 4 different types of inductors? Ferrite coil, copper coil, air coil and variable HOMEWORK QUESTION 2 How do inductors store electrical charge? By means of an electromagnetic field HOMEWORK QUESTION 3 How do capacitors and inductors store electrical charge differently...

Aye! hahaha! well, i couldn´t keep the secret any longer...Actually I´m on the western african shore..the Canary Islands. That´s the voltage we use know though 40 or 50 years ago 110V was very common

HOMEWORK QUESTION 1 Can you name three (3) different types of capacitors? Electrolityc, ceramic and tantalium HOMEWORK QUESTION 2 What ‘Units’ are used to describe a capacitor’s capacitance? Farads HOMEWORK QUESTION 3 Convert the value of 2.2μF (micro-Farad) into pF (pico-Farad), mF (milli-Farad) an...

HOMEWORK QUESTION 1 What is electrical resistance? It´s a force of opposition to the flow of electrons that a material posseses HOMEWORK QUESTION 2 What ‘Units’ are used to describe electrical resistance? The unit is Ohms( Ω ) HOMEWORK QUESTION 3 Convert the value of 100,000Ω into Kilo-Ohm and Milli...

HOMEWORK QUESTION 1 What is Electricity? A flow of electrons (electric current) from one point to another HOMEWORK QUESTION 2 What ‘Units’ are used to describe electrical Voltage, Current and Power? (Hint: ‘Units’ of length are commonly in meters, inches, feet or miles) Voltage is meassured in Volts...

HOMEWORK QUESTION 1 Why are you taking this course? To refresh past subjects and build up the foundations of my skills in electronics HOMEWORK QUESTION 2 What do you hope to do with the knowledge you gain through this course? Repair all sorts of stuff and may be build a few dark machines...muahahaha...