Saturday, 25 April 2015

Systems of Units


SI Prefixes

Sr. no              Multiple                Prefix               Symbol
1                       1012                                tera                               T
2                       109                                  giga                       G
3                       106                                  mega                     M
4                       103                                  kilo                       K
5                       102                                 centi                      C
6                       10-3                                milli                       m
7                       10-6                                micro                     µ
8                       10-9                                 nano                      n
9                       10-12                               pico                       p
10                     10-15                               femto                     f
                     

System of Units


 Derived Units in SI

  
Sr No                  Quantity                          Unit Name                                         Symbol
1                          Acceleration                      meter per second square                          -
2                          Velocity                             meter per second                                     -
3                           Frequency                        Hertz                                                      Hz
4                           Force                               Newton                                                  N
5                           Pressure                           Pascal                                                     Pa
6                           Density                             kilogram per cubic meter                         -
7                           Energy or work                 joule                                                       J
8                           Power                               watt                                                       W
9                           Electric charge                   coulomb                                                 C
10                         Electric Potential                volt                                                         V
11                          Electric resistance              ohm                                                        Ω
12                          Electric conductance         siemens                                                   S
13                          Electric capacitance           farad                                                      F
14                          Magnetic flux                     weber                                                   Wb
15                          Inductance                         Henry                                                    H



SI Base Units



Sr No          Quantity                                         Name                  Symbol
1                  Length                                           Meter                    m
2                  Mass                                             Kilogram               kg
3                  Time                                               second                 s
4                  Electric current                               Ampere                A
5                  Thermodynamic Temperature          kelvin                   K
6                  Amount of substance                      mole                     mol
7                  Luminance Intensity                        candela                 cd

Tuesday, 11 June 2013



syllabus for the Jr. engg exam at mahagenco 2013
Aptitude :Technical & Non technical, Verbal Ability, Quantitative Ability ,Logical Reasoning, Objective      English
Diploma / Degree Electronics:
Control Systems, Digital Electronics and Logic Design, Electronics Devices and Circuits, Micro processor/Microcontrollers, Operational Amplifiers, Power Electronics, Principles of Communication engineering
Diploma / Degree Electronics & Power:
AC power transmissions, Bulk power transmissions, Distribution of power, Generation of electrical power
Electronics & Communication/Basics
Dimploma / Degree Electronics & Telecomm:
Analog Circuits Basics,Integrated Circuits and Digital Electronics, Micro Processor and Micro Controllers
Other Electronic Devices, PLT ,Semiconductors and Transistor Devices



Reference: www.mahagenco.in

Saturday, 22 September 2012

basic electronics

  • Share the new information related to basic electronics applications.
  • Share basic concept about electronics and telecommunication.
we are try to share the information about the each and every component of electronics.
like as diode,transistor, SCR etc with its basic operations and its characteristics.In few days this blog gives you a more n more details about the electronics and telecommunication concept.This may be very useful for each student to their research purpose by sharing the views with us.