Question is ⇒ In a full wave voltage doubler circuit, the input frequency is 560 Hz. The ripple frequency is, Options are ⇒ (A) 25 Hz, (B) 50 Hz, (C) 100 Hz, (D) 200 Hz, (E) , Leave your comments or Download question paper.

Question is ⇒ In a full wave voltage doubler circuit, the input frequency is 560 Hz. The ripple frequency is, Options are ⇒ (A) 25 Hz, (B) 50 Hz, (C) 100 Hz, (D) 200 Hz, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a full wave voltage doubler circuit, the input frequency is 560 Hz. The ripple frequency is
A.	25 Hz [Wrong Answer]
B.	50 Hz [Wrong Answer]
C.	100 Hz [Correct Answer]
D.	200 Hz [Wrong Answer]
View Answer 1 -3 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 :

⇒ Zip floppy has a capacity of
50 MB
500 MB
25 MB
100 MB or 250 MB

⇒

Assertion (A): Microprocessors 8086 and 8088 are very similar in organisation and have identical instruction sets.

Reason (R): If clock speed is same the execution time of 8088 and 8086 are exactly equal.

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 R is wrong
A is wrong R is correct

⇒ Power gain of an antenna in a given direction is the ratio of
average power to maximum power
radiation intensity in that direction to the total input radiated power
radiation intensity in that direction to the average radiated power
none of the above

⇒ Whenever a JFET operates above pinch-off voltage
depletion regions become smaller
drain current increase steeply
drain current starts decreasing
drain current remains nearly constant

⇒ Read the following statements:

A μP generally interfaced to several memory chips and I/O devices
Address space provided by μP is partitioned into sub sets of addresses
Address map and address partition refer to different terms in address space

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

⇒ A cycloconverter for single phase operation has
one positive group and one negative group converters
two positive group and two negative group converters
three positive group and three negative group converters
any of the above

⇒ Which of the following statements is not correct regarding modes of electromagnetic energy transmission?
In TE mode the direction of electric field is always and everywhere transverse to the direction of propagation
In TM mode the magnetic field pattern is always and everywhere transverse to the direction of propagation
The subscripts is TE and TM designations denote the number of half sine wave variations of the field components in x and y directions respectively.
TM₁₁ is called the dominant mode.

⇒ Plug and play is a hardware specification.
TRUE
FALSE

⇒ Voltage V_L in the circuit when V_s < 0 where D is an ideal diode. (Take R₁ = R_s = R_L = 1 &o
0
1
1.5
cannot find

⇒ Public address systems generally use electret microphones.
TRUE
FALSE

⇒ A uniform plane EM wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What percentage of incident power that is reflected?
0.1
0.25
0.5
0.75

⇒ In a D latch
D drives R and D drives S
D drives S and D drives R
D drives both R and S
D drives both R and S

⇒ Which of the following is the digital system?
PWM
PAM
PPM
PCM

⇒ In a synchro error detector, the output voltage is proportional to [ω(t)]ⁿ, where ω(t) is the rotor velocity and n equals :
-2
-1
1
2

⇒ The first contribution to logic was made by
George Boole
Copernicus
Aristotle
Shannon

⇒ Calculate i(t) for t ≥ 0, assuming the switch has been in position A for a long time at t = 0, the switch is moved to positio
1 + e^{-5 x 10³t}
e^{-5 x 10³t}
1.11 e^{-5 x 10³t}
1.11 (1 - e^{-5 x 10³t})

⇒ The process of extension of a single-crystal surface by growing a film in such a way that the added atoms form a continuation of the single-crystal structure is called
Ion implantation
Chemical vapour deposition
Electroplating
Epitaxy

⇒ The output V_R of the ratio detector is related with the output V_F of similar Foster-Seeley discriminator as follows.
V_R = V_F
V_R < V_F
V_R = 2V_F
V_F = 2V_R

⇒ The dual of A + [B + (AC)] + D is
A + [(B (A + C))] + D
A [B + AC] D
A + [B (A + C)] D
A [B (A + C)] D

⇒ Which of the following is a valid integer constant?
17
-18.58
101.14
-810

⇒ For a full wave bridge rectifier supplied with 50 Hz a.c., the lowest ripple frequency will be
50 Hz
100 Hz
200 Hz
400 Hz

⇒ MEWS stands for
Missile Early Warning System
Moving Target Early warning System
Missile Early Warning Signal
Moving Target Early Warning Signal

⇒ Which of the following is not an integer constant?
0
-8
1074
-8.1

⇒ Regulation of the DC power supply of 12 V, 100 mA is the effective resistance of power supply is 20 Ω
0.22
1.31
0.3
0.2

⇒ Following state diagram shows clocked sequential circ
6
7
5
4

⇒ In 2 out of 5 code, decimal number 8 is
11000
10100
11000
1010

⇒ The waveshape of output voltage of half bridge inverter is
sinusoidal
square
triangular
either (a) or (b)

⇒ A colour television signal having bandwidth of 4.6 MHz is digitised using 10 bits sample. The digital bit rate used for its transmission with PCM would be __________ kilobits/second.
92000
920
23000
230

⇒ In a three input AND gate A = 1, B = 1, C = 0 The output Y =
ABC
ABC
ABC
ABC

⇒ Which of the following assembler directives in 8085 does not cause any memory location to be used μp?
D S
D B
D W
E Q U