Question is ⇒ In the below figure the rms voltage across each half of secondary is 200 V. The peak inverse voltage across each of thyristor, Options are ⇒ (A) 200 V, (B) 2(200) V, (C) 2(400) V, (D) 800 V, (E) , Leave your comments or Download question paper.

Question is ⇒ In the below figure the rms voltage across each half of secondary is 200 V. The peak inverse voltage across each of thyristor, Options are ⇒ (A) 200 V, (B) 2(200) V, (C) 2(400) V, (D) 800 V, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In the below figure the rms voltage across each half of secondary is 200 V. The peak inverse voltage across each of thyristor
A.	200 V [Wrong Answer]
B.	2(200) V [Wrong Answer]
C.	2(400) V [Correct Answer]
D.	800 V [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒ In a communication system, a process in which statistical averages and time averages are equal is called as,
stationary
ergodic
Gaussian
BIBO stable

⇒ The emitter resistor R_E in the emitter of CE amplifier stabilizes the dc operating point against variation in
temperature only
β of transistor
both temperature and β
none of the above

⇒

Match the following:

	List I (Diode Rectifier)		List II (Efficiency is R_f/R_L = 0.25)
A.	Half wave	1.	0.54
B.	Bridge Rectifier	2.	0.65
C.	Full wave using tapped centre transformer	3.	0.325

A-1, B-2, C-3
A-2, B-1, C-3
A-3, B-2, C-1
A-3, B-1, C-2

⇒ The characteristics of H and V sync pulses in a colour TV receiver are

H sync, pulses are narrow and have frequency of 15625 Hz
V sync, pulses are much wider and have frequency of 50 Hz
H and V pulses have almost the same size but frequencies of 15625 and 50 Hz respectively
V sync, pulses are very narrow but H sync, pulses are wide and their frequencies are 15625 Hz and 50 Hz respectively

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

⇒ A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is
1 mV/pC
1.5 mV/pC
2.5 mV/pC
4 mV/pC

⇒ Which connection is rarely used?
CE
CB
CC
Both (a) and (b)

⇒ A folded dipole antenna is conveniently connected to
shielded line
two wire line
coaxial line
flat ribbon type transmission line

⇒ The number of flags available in 6800 are
6
5
7
4

⇒ For a 1 cm x 2 cm air filled rectangular waveguide the maximum frequency should be less than about
1000 MHz
5000 MHz
14000 MHz
140000 MHz

⇒ In a junction transistor, the collector cut-off current 'I_CB0' reduces considerably by doping the
emitter with high level of impurity
emitter with low level of impurity
collector with high level of impurity
collector with low level of impurity

⇒ A parallel RLC network has R = 4Ω, L = 4H, C = 0.25F. Then at resonance Q =
1
10
20
40

⇒ To realize following function 'f'3
6
4
10

⇒ In a polyatomic gas, the types of polarization which exist together are
electronic and orientational
electronic and ionic
ionic and orientational
electronic, orientational and ionic

⇒ A circuit has two branches 1 and 2 in parallel. If |Q₁| = 8 KVAR and |Q₂| = 6 KVAR, the magnitude of total kvar drawn form supply will be
14 KVAR
2 KVAR
zero
14 or 2 KVAR

⇒ A frequency doubler has an FM signal input at 13 MHz with a deviation of 5 kHz. The output frequency of the carrier will be
26 kHz
260 kHz
26 MHz
260 MHz

⇒ If one wants to design a binary counter, preferred type of flip-flop is
D-type
SR type
Latch
JK type

⇒ A plot of modulation index vs carrier amplitude yields a
horizontal line
vertical line
parabola
hyperbola

⇒ Consider following statements :
Maximum energy of electrons liberated photoelectrically is independent of light intensity
Maximum energy of electrons liberated photoelectrically varies nonlinearly with frequency of incident light.

statement (1) is true and (2) is false
statement (1) and (2) both are true
statement (1) is false and (2) is true
statement (1) and (2) both are false

⇒ Which of the following instructions have only one operand?
Multiply
Add
Shift
Subtract

⇒ A mod 4 counter will count
from 0 to 4
from 0 to 3
from any number n to n + 4
none of the above

⇒ A discrete zero memory information source has 40 symbols and each symbol is equally likely. The minimum number of bits required to code the source with uniform length code and entropy of the source are
5 and 5.03
6 and 5.83
5 and 6.64
6 and 5.32

⇒ In an electrochemical process the mass of material deposited at an electrode is proportional to
time for which current is passed
magnitude of current
electric charge through the electrolyte
none of the above

⇒ The forbidden energy gap between the valence band and conduction band will be least in case of
metals
semiconductors
insulators
all of the above

⇒ The characteristic equation of an SR flip-flop in given by
Q_n+1 = S + RQ_n
Q_n+1 = RQ_n + SQ_n
Q_n+1 = S + RQ_n
Q_n+1 = S + RQ_n

⇒
Assertion (A): CE amplifier is the most widely used BJT amplifier
Reason (R): CE amplifier has zero phase difference between input and output

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

⇒ In terms of z parameters, the condition for the network to be passive is
z₁₁ = z₂₂
z₁₂ = z₂₁
z₁₁ = 0
z₂₂ = 0

⇒ In an R-L circuit, the impedance is 30 Ω at a frequency of 100 Hz. At 200 Hz, the impedance should be
30 Ω or more
60 Ω or more
15 Ω or less
more than 30 Ω but less than 60 Ω

⇒ In the above case if another sine wave corresponding to 40% modulation is transmitted simultaneously, the total radiated power will be
9.9 kW
10.15 kW
10.84 kW
18.4 kW

⇒
Assertion (A): Gray code is used in shaft position encoding.
Reason (R): In gray code only a single bit change occurs when going from one code to another.

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 true, R is false
A is false, R is true

⇒ The clock shown in figure has a frequency of 6 MHz. The frequency of the Q output wil
12 MHz
24 MHz
3 MHz
1.5 MHz

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math