Basic Electrical Engineering

DC Circuits

100

Current is proportional to voltage

Ohm's Law

200

(IR2)/(R1+R2)

Branch Current Equation 

AC Circuits

100

EIcos(phi)

Single Phase Power Equation

200

Zero

Power consumed in a pure capacitive circuit

DC Machines

100

Electrical energy is converted to mechanical energy

DC Motor

200

Commutator

Device which converts ac voltage or current to dc voltage or current

AC Machines

100

120f/P

Equation for Synchronous Speed

200

Induction motor

Concept of Slip

Single Phase Transformer

100

Mutual Induction

Working Principle of a Transformer

200

Copper Loss 

Major loss in transformers