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All questions of Resonance for Electrical Engineering (EE) Exam
A parallel resonant circuit has a midband admittance of 25 x 10-3 S, quality factor of 80 and a resonant frequency of 200 krad s.
Q. The value of R is- a)40 Ω
- b)56.57 Ω
- c)80 Ω
- d)28.28 Ω
Correct answer is option 'A'. Can you explain this answer?
A parallel resonant circuit has a midband admittance of 25 x 10-3 S, quality factor of 80 and a resonant frequency of 200 krad s.
Q. The value of R is
Q. The value of R is
a)
40 Ω
b)
56.57 Ω
c)
80 Ω
d)
28.28 Ω
 | Sharmila Kulkarni answered |
At mid-band frequency Z = R , Y = 1/R
For the circuit shown in fig. P1.1.11 resonant frequency fo is
- a)346 kHz
- b)55 kHz
- c)196 kHz
- d)286 kHz
Correct answer is option 'B'. Can you explain this answer?
For the circuit shown in fig. P1.1.11 resonant frequency fo is
a)
346 kHz
b)
55 kHz
c)
196 kHz
d)
286 kHz
 | Upasana Joshi answered |
Applying 1 A at input port V1 = 10 V
voltage across 1 A source
voltage across 1 A source
The value of input frequency is required to cause a gain equal to 1.5. The value is
- a)20 rad s
- b)20 Hz
- c)10 rad s
- d)No such value exists.
Correct answer is option 'D'. Can you explain this answer?
The value of input frequency is required to cause a gain equal to 1.5. The value is
a)
20 rad s
b)
20 Hz
c)
10 rad s
d)
No such value exists.
 | Prasenjit Yadav answered |
For any value of ω, R,C gain ≤ 1.
Thus (D) is correct option.
The maximum voltage across capacitor would be
- a)3200 V
- b)3 V
- c)-3 V
- d)1600 V
Correct answer is option 'A'. Can you explain this answer?
The maximum voltage across capacitor would be
a)
3200 V
b)
3 V
c)
-3 V
d)
1600 V
 | Sandeep Chatterjee answered |
Thevenin equivalent seen by L - C combination
Bode diagram of the network function Vo/Vs for the circuit of fig. P1.11.30 is
- a)
- b)
- c)
- d)
Correct answer is option 'D'. Can you explain this answer?
Bode diagram of the network function Vo/Vs for the circuit of fig. P1.11.30 is
a)
b)
c)
d)
| | Anjali Choudhury answered |
-20 dB/decade line starting from ω = 5.56 rad s 20 dB/decade line starting from ω = 16.67 rad s Hence -20 dB/decade line for 5.56 < ω < 16.67 parallel to ω axis to ω > 16.67
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