Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Electric Circuit Analysis: Unit I: Basic circuits analysis : Worked examples
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
It is assumed that the sinusoidally varying voltage is connected to (a) purely resistive (b) purely inductive and (c) purely capacitive circuits.
Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
ωt is taken as reference angle (zero angle). In the polar form, any quantity is shown in the following way.
Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Consider a phasor OP = Em Em is the maximum value of alternating voltage, which varies sinusoidally. Let this phasor rotate in the anti-clockwise direction at a speed of a radians/sec.
Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Electric Circuit Analysis: Unit I: Basic circuits analysis : Worked examples
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
RMS value of half wave rectified waveform
Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Among the average value, rms-value and maximum (peak) value, there exists a definite relationship. This relationship is expressed by two factors. They are 1) form factor 2) peak factor.
Definition, Formula | Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Definition: The average value of an alternating current is defined as the D.C. current which transfers across any circuit the same charge as is transferred by that alternating current during the same time.
Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
The steady current which when flowing through a given resistor for a given time produces the same amount of heat as produced by the alternating current when flowing through the same resistor for the same time is called R.M.S. or effective value of the alternating current.
Wave form, Cycle, Time period, Frequency, Amplitude | Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Wave form : It is the graph drawn between the alternating quantity (only instantaneous value) as ordinate and time as abscissa.
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Consider a rectangular coil with N turns. It is rotated in an uniform magnetic field in anticlockwise direction.
Basic circuits analysis
Subject and UNIT: Electric Circuit Analysis: Unit I: b. Basic circuits analysis
An alternating quantity which varies according to sine of the angle 0 is known as sinusoidal alternating quantity.