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THERMODYNAMIC OPEN SYSTEM : A system which can exchange matter and energy with the surrounding is called an open system. Example air compresser . Air at low pressure enter and high pressure to leave. CLOSE SYSTEM: A System which can exchange only energy (not matter) with the surrounding is called close system. Example gas enclosed a cylinder when heated and drives system outward . ISOLATED SYSTEM A system which is thermally insulated and has no transfer heat with the surrounding is called isolated system. please subscribe my youtube channel @PCMwithme For more updates click now spcmwithme.blogspot.com
वर्ग निकलने की आसान विधि । यदि आपको वर्ग निकलने में परेशानी होती है तो ये ब्लॉक आपके लिए है।आज सभी परीक्षा में वर्ग निकलने के लिए आता है लेकिन हम जो पुराने कक्षा में पढ़े रहते है वो बहुत कठिन विधि होती है इसी को आसान बनाने के लिए आपके लिए लाए आसान विधि। यदि आपको समान अंको का वर्ग निकालना है जैसे (1111)²=? तो इसके लिए आपको पहले एक कितने बार आया है वो गिनना है उसके बाद उत्तर में आरोही क्रम में लिखना है फिर अवरोही क्रम में जैसे (1111)²= 1234321 (111111)²= 12345654321 (11)²= 121 वीडियो देखने के लिए था क्लिक करें 👇👇👇👇 https://youtu.be/4cUdDgQ80VU
ELECTRONICS : the branch of engineering which deals with current conduction through a vacuum or gas or semiconductor is known as electronic. ANALOG SIGNAL: A continuously varying signal (voltage or current) is called an analog signal For example: sinusoidal voltage . Digital signal : A signal which can have only two discrete values is called a digital signal. For example a square wave is a digital signal. 0 Digital circuit : An electronic circuit that handles only a digital signal is called a digital circuit.
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