ECT BODE PLOT HACK 8 Mark COMFORM for ECT ioe final exam
- Table 1: Magnitude Plot Table 👇
- Table 2: Phase Plot table for bode plot
- Starting point of Phase plot:
- Starting point of Phase plot:
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Showing posts with label ECT. Show all posts
Showing posts with label ECT. Show all posts
ECT Bode Plot HACK for magnitude and phase plot TABLE
Resonance of series LRC circuit ECT & Ioe Regular VVI Question for ECT Question no1
Resonance of series LRC circuit VVI Question ECT | IOE Exam Regular
From figure 1.
Voltage across each component of circuit
Applying KVL in circuit
Thus, we see that magnitude of current depends upon the frequency.
The inductive reactance is given by:-
At higher frequency XC is low and XL
is high as at lower frequency XC is increased and XL
is decreased. But
there will be a frequency at which XL=XC this frequency is known as resonance frequency.
Conclusions:
- 1. XL=XC
- 2. Impedance of the circuit is minimum i.e. Z=R
- 3. Current flowing in circuit will be maximum. i.e I=V/R
- 4. Voltage across Xc will be equal to XL but 180 out of phase which cancel out each other.
- 5. power factor is unity. i.e. pf = 1
- 6. phase angle between voltage and current will be equal to zero.
- 7. circuit behaves like purely resistive circuit.
- 8. Total supply voltage will be appear at resistor. i.e.V=VR
