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# 1E6 Electrical Engineering Assignment Example TCD Ireland

The module will teach you about electricity and magnetism, as well as the basics of combinational logic. Fundamental laws are established from physical principles to define the nature of primitive circuit elements. Digital equivalents for these basic elements are developed and applied to simple combinational circuit problems.

The interaction between electricity and magnetism will be introduced. Solenoids, relays, motors, generators are examples of such components with illustrations of their use in everyday applications. The module also introduces the foundational concepts for the digital signal and system, and progresses through standard combinational logic design, with particular reference to arithmetic processing.

## Get Assessment Answers of 1E6: Electrical Engineering

In this course, there are many types of assignments given to students like a group project, continuous assessment, individual assignment, report, business plan, business proposal, executive summary, and other solutions are given by us.

Upon completion of this module, students will be able to:

### Assignment Activity 1: Explain the fundamental concepts of electricity and magnetism and their importance

Electricity and magnetism are two of the most important concepts in electrical engineering. Electricity is the flow of electrons through a conductor, while magnetism is the force that attracts or repels certain materials, depending on how the magnetic poles are aligned.

Electricity was first discovered by English physicist Sir Benjamin Franklin in the 18th century. He demonstrated that lightning is a form of electrical discharge, and he invented the lightning rod to protect buildings from being damaged by lightning.

Today electricity makes our lives far more convenient than they would otherwise be through machines powered by electric motors. It’s also used to transmit information through cables in the form of electrical signals. Magnetism is used in a variety of ways, including electric motors, generators, and solenoids.

### Assignment Activity 2: Apply fundamental circuit theory and laws to dc resistive circuits

In order to understand electrical circuits, you need to start with some basic principles. The first of these is Ohm’s law, which states that the current through a conductor is proportional to the voltage applied across it and inversely proportional to the resistance of the conductor.

Another important principle is Kirchhoff’s current law, which states that the current in a closed circuit is zero. This means that the current coming into a node must be equal to the sum of all currents leaving that node.

The last basic circuit principle is Kirchhoff’s voltage law, which states that the sum of all voltages around a loop in an electrical circuit is zero. Again, this makes sense because if you add up all the voltages in a circuit, they should be equal to the voltage of the battery or power supply.

Once you understand these basic principles, you can start applying them to simple circuits. A resistor is a component that opposes the flow of current, and it’s measured in ohms (Ω). The resistance of a resistor is determined by its physical properties, such as the material it’s made of and the size of the resistor.

In a DC circuit, the voltage is constant, so you can calculate the current through a resistor using Ohm’s law. You can also use Kirchhoff’s current law to find out how the current is distributed through a resistor network.

### Assignment Activity 3: Analyze the operation of simple circuits in RC and RL combinations

In a resistor-capacitor (RC) circuit, current flows in through the resistor and charges up the capacitor. Then when the voltage across the capacitor reaches a certain point, it allows current to flow out of the capacitor until its voltage falls below that threshold again.

A resistor-inductor (RL) circuit works basically the same way, except that the current flows in through the inductor and out through the resistor. The inductor stores energy in a magnetic field, and when the current flowing through it suddenly changes, the energy is released and causes a spike in voltage. This voltage spike can damage electronic components, so it’s usually filtered out with a capacitor.

### Assignment Activity 4: Outline the construction and mechanism of operation of the DC motor and generator

A DC motor is a device that uses electromagnetism to convert electrical energy into mechanical energy. The commutator switches the polarity of the electric current in the rotor (the part of the motor that spins) so that it always flows in the same direction. This causes the rotor to spin, and the mechanical energy is used to drive a load such as a car or a fan.

Generators are the opposite of motors. They convert mechanical energy into electrical energy. The rotor (with coils attached to it) spins, and as it does this it cuts through the magnetic field produced by magnets mounted on either side of it. This creates an electric current in the coils which can be used for electrical devices such as radios or lights.

### Assignment Activity 5: Convert between binary and decimal representations and carry out binary addition, subtraction, and multiplication

Binary is a number system that uses two digits, 0 and 1. In binary addition, you add the two numbers together and put a 1 in the column where the sum exceeds 10. For example, 9 + 6 = 15, so the answer is 1011 (note that there’s a 1 in the column for 11 and also in the column for 15, because they both exceed 10).

To subtract two binary numbers, you first convert them to decimal and then subtract the corresponding numbers. For example, 11 – 5 = 6, so the answer is 1010 (note that there’s a 1 in the column for 10 and also in the column for 6, because they both correspond to the number 6).

To multiply two binary numbers, you first convert them to decimal and then multiply the corresponding numbers. For example, 11 x 5 = 55, so the answer is 10101 (note that there’s a 1 in the column for 110 and also in the column for 55, because they both correspond to the number 55).

Convert between binary and decimal representations

To convert from binary to decimal, you divide the number by 2 and take the remainder. For example, 1011 ÷ 2 = 5 + 1 = 6, so the number 11 would be written in decimal as 6.

To convert from decimal to binary, you repeatedly divide the number by 2 and take the remainder. For example, 106 ÷ 2 = 52 + 0 = 52, 53 ÷ 2 = 26 + 1 = 27, 27 ÷ 2 = 13 + 1 = 14, etc. until you reach either a 0 remainder or a 1 remainder. The number 6 would be written in binary as 1101.

### Assignment Activity 6: Design standard and iterative combinational logic circuits

A logic circuit is a network of electronic components that performs a logical operation on one or more input signals. The three basic types of logic gates are AND, OR, and NOT. The two simplest circuits are the half-adder (which adds two bits together) and the full-adder (which adds three bits).

An AND gate is a logic circuit that takes two inputs and produces an output that is high only if both inputs are high. An OR gate is a logic circuit that takes two inputs and produces an output that is high if either input is high. A NAND gate is a logic circuit that takes two inputs and produces an output that is high only if both inputs are low. A NOR gate is a logic circuit that takes two inputs and produces an output that is high if either input is low, but not if both inputs are low.

An example of an iterative circuit is a counter which counts upwards from 0 to 9. Using only NAND gates it’s possible to create a counter that counts in any desired sequence (such as ABCDEFGH).

Combinational logic circuits are designed to perform a specific task, such as adding two numbers together. They consist of a number of logic gates connected in series. The output of the first gate is the input for the second gate, and so on.

### Assignment Activity 7: Evaluate the complexity and speed of combinational designs

The complexity of a combinational logic circuit is measured by the number of gates it contains. The more gates a circuit has, the more complex it is. However, a complex circuit can be broken down into a series of simpler circuits, each of which can be designed and tested separately. This makes the overall design process easier and speeds up the testing process.

The speed of a combinational circuit is measured in terms of propagation delay. Propagation delay is the length of time it takes for a signal to move from one part of a circuit to another, and it’s measured in nanoseconds. As a general rule, a circuit with a shorter propagation delay will be faster than a circuit with a longer propagation delay. It is possible to design faster circuits by using faster hardware, but this can lead to increased costs.

• A half-adder has two XOR gates and one AND gate, so its complexity is 2 + 1 = 3. A half-adder can run as fast as its clock speed.
• A full-adder has two half-adders and one OR gate, so its complexity is 2 x 2 + 1 = 7. A full-adder can also run as fast as its clock speed.
• An adder has one XOR gate, two AND gates, and one OR gate, so its complexity is 3 + 2 + 1 = 6. An adder can run as fast as its clock speed.
• A counter has two XOR gates, two NAND gates, and two AND gates, so its complexity is 4 x 2 + 2 = 12. A counter can run as fast as its clock speed.

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