What is power , importance of power

By Nitesh Kumar -

What is power , explanation of power ,  uses of power , future of power




Power :- power is the product of 

voltage and current.


FROM FORMULA ,

                        P = VI


UNIT OF POWER IS WATT (W).


POWER IS ALSO DEFINED AS THE RATE OF DOING WORK.

FROM FORMULA ,

                                  P = W / t = joule / sec

Derivation of power

                      P = VI 

                      P = V × V/R = V^2 / R

  P = VI

     = IR ×I = I^2 R



Comments

Post a Comment

Popular posts from this blog

Force , definition and explanation , important of force

By Nitesh Kumar -
Image
What is force , explanation of force , role of force in our daily life , important of force Definition of force :- force is a physical quantity that can change position of any object that means if any object in motion then we can change in rest and if any object in rest then we can change in motion. UNIT OF FORCE IS NEWTON DENOTED BY "N" . FORMULA OF FORCE                              F = ma         Other unit of force is kilogram meter per second square ( kgm/sec^2 )    Definition of 1 Newton                         The Newton is defined as when we applied any force to mass of 1kg and that is accelerated by 1 meter per second squared ( 1m/s^2 ) , Then that force is called 1 Newton.         From formula,                      F = ma     ...
Read more

Bihar police vaccancy, apply immediately in bihar police, how to apply in bihar police,how to fill Bihar police form

By Nitesh Kumar -
Image
  BIHAR POLICE JOB DETAILS IN HINDI Bihar Police Recruitment 2021: बिहार पुलिस में इन विभिन्न पदों पर बिना परीक्षा के मिल सकती है नौकरी, 12वीं, ग्रेजुएट जल्द करें अप्लाई, 67000 से अधिक होगी सैलरी Bihar Police Recruitment 2021: उम्मीदवार आवेदन करने से पहले इन सभी आवश्यक बातों को ध्यान से जरूर पढ़ें Bihar Police Recruitment 2021 के लिए महत्वपूर्ण DATE :- ऑनलाइन आवेदन करने की शुरुआत तिथि: 10 जुलाई 2021 ऑनलाइन आवेदन करने की अंतिम तिथि: 9 अगस्त 2021
Read more

Officer duty for technical , details of working field, what to do after joining Air Force, what important job for technical students

By Nitesh Kumar -
Image
  Officer duty for technical , details of what we need to work in Air Force, All Working Rules and Definition:- GROUND DUTY (TECHNICAL) BRANCHES As an officer in the Ground Duty (Technical) Branch, you propel and manage your team to ensure that the Indian Air Force remains airworthy. You would be incharge of some of the most sophisticated equipment in the world by joining one of the sub branches based on your qualification. GENERAL ELIGIBILITY CRITERIA For Ground Duty (Technical) Branches Age - 20 to 26 years (at the time of commencement of course) Nationality - Indian Marital Status - Candidates below the age of 25 years should be unmarried. For both Men and Women. Permanent Commission (for men) / Short Service Commission (For men and women) Final year students are eligible to apply provided they do not have any present backlog at the time of AFSB testing and they produce provisional/ original degree issued by the University as per the date stipulated in the adverti...
Read more