A New Digital Currency in the Form Virtual Cash - Engineering Assignment Help

Assignment Task:

Task:

SECTION A
A new digital currency in the form virtual cash, known as Bitcoin was acquainted with the world by Satoshi in 2009. Bitcoin is the most notable computerized money. It is based on peer-to-peer distributed system with no central authority controlling it. It is based on the technique known as Blockchain, a kind of peer-to-peer ledger system containing the record of all transactions. All set of transactions are logged in the blocks. The new transactions generated by the users are broadcasted using signed blocks to verify over the Bitcoin network. The transaction is verified by mining process and added to the Blockchain. In order to add the transaction into the block, the miner solves the cryptographic puzzle in confirming the transactions in the block. The miners are rewarded for their work.

Question 1

A resistor is marked coded with the legend 4R7K. What is its value and tolerance? Show all your workings. (1.5)

Question 2
A resistor is marked coded with the legend 330RG. What is its value and tolerance? Show all your workings. (1.5)

Question 3
A resistor is marked coded with the legend R22M. What is its value and tolerance? Show all your workings. (1.5)

Question 4
Kirchhoff’s laws are of special importance for a technical specialist, since they must be thoroughly assimilated if one is to have a clear and precise understanding of how electrical and electronic circuits work. Kirchhoff's laws are the only two universal laws of the theory of circuits. By combining them with the current-voltage relationships specific to each of the components, it is possible to resolve all problems within the theory of circuits. In practice, skill in the application of Kirchhoff's laws is explicitly or implicitly required in most situations involving repair or design of circuits. KLC stipulates that the algebraic sum of the instantaneous currents which enter a closed surface is equal to the algebraic sum of the currents which leave it. KLV applies to a series of nodes.

Question 5
Assume a resistance of 50 ohms rated at 2 Watts is required at the workshop before commencing with your electrical practical. What parallel combination of preferred value resistors will satisfy this requirement? What power rating should each resistor have? Substantiate your answer. Show all your workings.

Question 6
You are required to determine the potential difference that must be applied to a capacitor of 47 micro-Farads that is required to store 4 Joules of energy. Compute this for lab technician before commencing with the measurements in the laboratory. Show all your workings.

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