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Potentiometer and voltmeter are both types of measuring devices used to measure the voltage. However, one most significant difference between the potentiometer and the voltmeter is that the potentiometer is used for measuring the EMF of a source while the voltmeter is used to measure the potential difference (or voltage) between two points in a circuit.The other differences between voltmeter and potentiometer are given below in the tabular form. Also, a short description of voltmeter and potentiometer is added for the better understanding of the differences.What is a Potentiometer?A potentiometer is a three-terminal measuring instrument used to measure the unknown ... Read More
A switch is the most common device used in everyday life for turning on and off the electrical appliances. A switch can make or break a circuit. The electric current can flow in a circuit till the switch is in ON state. The switches are commonly used to turn on and off various electrical appliances like fans, lamps, coolers, ACs, etc.There are a number of switches available, but in this article, we will only discuss about the one-way switch and two-way switch and the key differences between the one-way switch and two-way switch.What is a One-Way Switch?A one-way switch is ... Read More
In electrical power system, various devices are used to ensure the safe operation of electrical equipment. The most important set of these devices that helps to ensure this safety is switchgears. Amongst these switchgears, the circuit breakers and isolators are commonly used in every electrical power system. These two devices are very important in an electrical power system.The isolator and circuit breaker both have a similar function of disconnecting the electrical circuits when there is an issue in electrical system. Therefore, they are closely related to each other, however, there are many differences between circuit breaker and isolator that draw ... Read More
An electric circuit is the interconnection of circuit elements which carries the electric power from the source to the load. Sometimes, the electric power (or voltage or current) in the circuit may increase suddenly, which cause damages of the load or other devices in the circuit. Therefore, in order to protect the electric circuit and appliances from getting damaged due to abnormalities in the circuit, two protecting devices viz. fuse and circuit breaker are used in the circuit.In this article, we will discuss about the differences between fuse and circuit breaker. Also, we will add a brief description of both ... Read More
Contactor and relay are both electromagnetic switches that are designed to provide switching and controlling functions in the electric circuits. The primary function of both relay and contactor is similar, but there are many differences between them that are listed in the table below.The major difference between these two devices is that a relay is suitable for voltage and current applications, whereas a contactor is suitable for high voltage and current applications. Relays and contactors are both switches which are operated electrically for providing switching and controlling of the circuit.This article will provide all the noticeable differences between a contactor ... Read More
When we need to conduct trend analysis, dates act as essential elements. Dates play an important role and you need to make sure that they are conveyed in the best possible way. There are times when dates might end up being formatted as text and saved in the cells.You may have, for instance, placed a date into a cell in text format, or the date may have been imported or pasted from an external data source as text.Convert Text Dates with Two-Digit Years by Using Error CheckingIn this tutorial, we will discuss two methods to convert text formatted dates to ... Read More
Using the SUM method in Excel, we can normally total up the values in a column or row. In point of fact, rather than manually putting the SUM formula into a cell, we may use the AutoSum formula to calculate the sum of the values in a far more expedient manner. Within Excel, there is a formula known as AutoSum, which I shall explain below. Excel can automatically compute the total of a column or row of numbers when you ask it to do so.Excel will automatically enter a formula to sum the numbers (one that makes use of the ... Read More
There are situations when the data that you require is scattered across numerous sheets in Microsoft Excel, or even multiple files. How wonderful it would be if you could collect all this data in a single document?When you are in a hurry, you can save time by simply copying and pasting the necessary cells onto the same sheet. However, the amount of time and effort required to complete this task may be quite substantial, depending on the data that you are analyzing. Instead, you could think about some of the more intelligent approaches to complete the same task.In this tutorial, ... Read More
Suppose you have compiled a list of the student’s dates of birth in an Excel spreadsheet, and at this point, you need to figure out how old each one of them is. Excel has a number of useful functions, like DATEDIF and YEARFRAC, that can make it easy to figure out a student’s age based on their birth date.Using the DATEDIF FunctionThe DATEDIF function can convert the birth date to the current age. The general syntax for this is as follows −=DATEDIF(birthdate, TODAY(), "y")Where, Birthdate − The date that corresponds to the student's actual birthday.TODAY() − The current date is ... Read More
When dealing with Excel sheets, filling increment cells is a very regular task to complete. Cells that contain numerical values that are organized in a column according to a predetermined increment value are referred to as increment cells. This might be a series of sequential numbers such as 1, 2, 3, and so on, or it might be a series of numbers with fixed increments such as 12, 14, 16, 18 and so on.In this tutorial, you are going to learn various solutions to automatically increment cells in excel.Using Autofill FunctionUsing the Autofill function, it is possible to automatically fill ... Read More