Signals play an important role in our daily lives. We work with a wide variety of signals every day, whether we realize it or not. Signals in Radio Broadcast In …
Definition A signal, formally defined as a function of one or more variables, conveys information about the nature of a physical phenomenon. In simple terms, we can define a signal …
A digital multimeter is an electronic instrument which can measure very precisely the dc and ac voltage, current (dc and ac), and resistance. All quantities other than dc voltage is …
Many new electrical engineers are unaware of the use of sinusoids and phasors when they analyze AC circuits. In this article, we’ll explain how these can be used in analyzing …
The directed flow of free electrons (or charge) is called the electric current. The electric current may be classified into three main types: Steady current (DC Current) Varying current Alternating …
