Question is ⇒ Thyristors connected in series need static and dynamic stabilizing circuits., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ Thyristors connected in series need static and dynamic stabilizing circuits., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Thyristors connected in series need static and dynamic stabilizing circuits.
A.	TRUE [Correct Answer]
B.	FALSE [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Directivity gain depends on
the distribution of radiated power in space
solid angle of the radiated field pattern
both (a) and (b)
none of the above

⇒ The emitter follower is widely used in electronic instrument because
its voltage gain is less than unity
its voltage gain is very high
its O/P Impedance is low and input impedance is high
its O/P Impedance is high and I/P impedance is low

⇒ In the given figure shows a logic circuit. The minimum Boolean expression for this circui
A + B
A + B + C
AB + C
AB + AC + BC

⇒ In binomial arrays the elimination of secondary lobes takes place
at the cost of directivity
at the cost of gain
both (a) and (b)
none of the above

⇒ Two capacitors of 20 μF each are in series. The total capacitance is
5 μF
10 μF
40 μF
400 μF

⇒ A channel has a SNR of 7 and BW 4 kHz. Keeping the channel capacity (BPS) same, the BW is reduced to accommodate more channels. The SNR
decreases
increases
remains same
partially affected

⇒ The maximum signal propagation time of a geosynchronous satellite transmission is about __________ millisecond.
540
270
135
1080

⇒

Assertion (A): In standing wave pattern, the nodes and anti nodes are separated by half wave-length

Reason (R): When line is terminated in resistance R_L, the standing wave ratio is SWR = Z₀/R_L or R_L/Z₀

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ Frequency domain of a periodic triangular function is a
discrete sinc function
continuous sampling function
discrete sampling function
continuous sampling square function

⇒ In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include
antenna replacement and feed correction
amplitude timing and phase correction
polarization shifting and code diversity
path diversity and frequency diversity

⇒ While AM has __________ frequencies, FM has __________ number of sidebands.
2, 3
3, 3
3, 5
3, infinite

⇒ A voltage v = 5 + 50 sin ωt/ + 5 sin 5 &omegat is applied to a pure capacitor of capacitance 1 ωF. If f/= 314 rad/sec, current is
1 + 0.0157 cos 314 t + 0.00785 cos 1570 t
0.0157 cos 314 t + 0.00785 cos 1570 t
0.0157 sin 314 t + 0.00785 sin 1570 t
0.0157 sin (314 t / + 45°) + 0.00785 sin (1570 t + 45°)

⇒ In figure the potential of gate termina
4 V
-4 V
0
20 V

⇒ A fully controlled bridge converter is feeding an RLE load. For some circuit conditions firing angle is 47°. If connections of battery are reversed, the firing angle is likely to be
47°
less than 47°
more than 47°
either more or less than 47°

⇒ The magnitude plot of a composite signal x(t) = e^3jt + e^4jt is __________ .
Half wave rectified sinusoid
Full wave rectified sinusoid
Exponentially increasing sinusoid
Exponentially decreasing sinusoid

⇒ A variable reluctance type tachometer has 150 teeth on rotor. The counter records 13500 pulse/sec. The rotational speed is
4800 RPM
5400 RPM
6000 RPM
7200 RPM

⇒ For dielectrics in alternating field, polarizability a_e is a complex quantity. The imaginary part of a_e is zero for
ω = 0
ω → ∞
ω = 0 and ω → ∞
ω = natural frequency ω₀

⇒ Consider the following statements as regards induction and dynamometer wattmeters

Dynamometer wattmeters can be used for dc only.
Induction wattmeter has higher torque and dynamometer wattmeter.
Induction wattmeter is less accurate, has more power consumption and more weight than dynamometer wattmeter.

Which of the above statements are correct?
1 only
1 and 2 only
2 and 3 only
1 and 3 only

⇒ A hot wire instrument is not affected by stray magnetic fields.
TRUE
FALSE

⇒

Assertion (A): A composite video signal has synchronising pulses.

Reason (R): It is necessary to synchronise the scanning process in the transmitter and receiver.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ A sinusoidal signal is measured by CRO. The scale is set at 4 mV/cm. If vertical distance between positive and negative peaks is 6 cm, the peak value of ac signal is
6 mV
12 mV
24 mV
3 mV

⇒ A bridge rectifier circuit has input of 50 Hz frequency. The load resistance is R_L and filter capacitance is C. For good output wave shape, the time constant R_LC should be at least equal to
10 ms
20 ms
50 ms
100 ms

⇒ It is required to measure angular position. Out of the transducers

Circular potentiometer
LVDT
E pick up
Synchro

The proper devices are
1, 2, 3, 4
2 and 3
1, 2, 4
1 and 4

⇒ In Modulation, "carrier" is
resultant wave
speech voltage to be transmitted
voltage with constant frequency, phase or amplitude
voltage for which frequency, phase or amplitude is varied

⇒ Which of the following microphones is the cheapest?
Moving coil
Condenser
Ribbon
Carbon

⇒ With I_s disconnected I = - 1, when I_s = b is connected, the value of I will be
0.0833333333333333
-1 A
0.0416666666666667
0.125

⇒ In a lead acid cell, the positive plate has spongy lead.
TRUE
FALSE

⇒ In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?
TE₀₁
TE₁₁
TE₀₅
TE₂₁

⇒

Assertion (A): Acceptor extrinsic semiconductor has higher conductivity than intrinsic semiconductor.

Reason (R): Addition of p-type impurity produces an allowable discrete energy level just above valence band.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true

⇒ A wave is frequency modulated with an index of 0.1 and its frequency is multiplied by 8 times, the modulation index is
not changed
decreased 8 times
increased 4 times
increased 8 times