ankush nashier

The Cathode Ray Oscilloscope is an instrument which we use in laboratory to display measure and analyze various waveforms of various electrical and electronic circuit. Working Principle: CRO used Lissajous pattern to Display Traces on oscilloscope Scree n . Actually cathode ray oscilloscope is very fast X-Y plotters that can display an input signal versus time or other signal. Cathode ray oscilloscope uses luminous spot which is produced by striking the beam of electrons and this luminous spot moves in response variation in the input quantity. At this moment one question must be arise in our mind that why we are using only an electron beam? The reason behind this is low effects of beam of electrons that can be used for following the changes in the instantaneous values of rapidly changing input quantity. The general forms of cathode ray oscilloscope operate on voltages. So the input quantity that we have talked above is voltage. Nowadays, with the help of transducers. it is pos...

Electronics  is the  science  of controlling  electrical energy  electrically, in which the  electrons  have a fundamental role  Electronics is the science of controlling electrical energy electrically, in which the electrons have a fundamental role. Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes, integrated circuits, associated passive electrical components, and interconnection technologies. Commonly, electronic devices contain circuitry consisting primarily or exclusively of active semiconductors supplemented with passive elements; such a circuit is described as an electronic circuit. The science of electronics is also considered to be a branch of physics and electrical engineering. The nonlinear behaviour of active components and their ability to control electron flows makes amplification of weak signals possible, and electronics is widely used in information ...

US President Donald Trump on Friday signed an executive order hardening his stance on immigrants and refugees coming into the country. The order issued a ban on the entry of immigrants from seven Muslim-majority nations and put restrictions on the entry of Syrian refugees into the US. The Republican President said that the move is issued for “national security” and to “keep radical Islamic terrorists out of the US.” What does the order say? The order puts a ban on nationals from seven Muslim-majority nations – Iraq, Iran, Syria, Somalia, Sudan, Libya and Yemen for 90 days. The ban is not on every Muslim nation and people from countries such as Saudi Arabia, Egypt, Pakistan, can still enter US. The order also affects individuals who are green-card holders and were travelling overseas. According to the officials, the applications of green-card holders will be judged on case-to-case basis. It also disallows refugee from different nations to ...