Question is ⇒ A single phase half wave rectifier is feeding a resistive load. When a = 0, dc output voltage is 127 V. When a = 30°, the dc output voltage will be about, Options are ⇒ (A) 127 V, (B) 120 V, (C) 110 V, (D) 100 V, (E) , Leave your comments or Download question paper.

Question is ⇒ A single phase half wave rectifier is feeding a resistive load. When a = 0, dc output voltage is 127 V. When a = 30°, the dc output voltage will be about, Options are ⇒ (A) 127 V, (B) 120 V, (C) 110 V, (D) 100 V, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A single phase half wave rectifier is feeding a resistive load. When a = 0, dc output voltage is 127 V. When a = 30°, the dc output voltage will be about
A.	127 V [Wrong Answer]
B.	120 V [Correct Answer]
C.	110 V [Wrong Answer]
D.	100 V [Wrong Answer]
View Answer 2 -3 Explanation:- Answer : B 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 :

⇒ When load is coupled to class A amplifier through transformer, efficiency decreases.
TRUE
FALSE

⇒ A single phase dual converter consists of
two fully controlled converters connected in parallel
two fully controlled converters connected in antiparallel
two fully controlled semiconverters connected in antiparallel
two fully controlled semiconverters connected in parallel

⇒ RESET OUT signal when high indicates that
program counter etc. are being set
program counter etc. are being reset
either (a) or (b)
none of the above

⇒ The total number of pins in 8085 are
20
30
40
50

⇒ If p is the probability of success and q is the probability of failure, then the probability that there are r successes in n trails is
ⁿc_r p^r qⁿ ^- ^r
ⁿc_r p^{n -} ^r q^r
ⁿc_r p^r qⁿ ⁺ ^r
ⁿc_r pⁿ qⁿ ^{- r}

⇒ If the amplitude of the voltage is kept constant, but its frequency is raised to 6 kHz, the new deviation will be for the modulation index is, if f_m = 500 Hz, Δf = 2.25
6 kHz
12 kHz
27 kHz
54 kHz

⇒ In the basic series inverter circuit, the source current has
low harmonic content
high harmonic content
low or high harmonic content depending on firing angle
zero harmonic content

⇒ In a radio receiver, if the intermediate frequency is too high
Selectivity will be poor
Tracking difficulties will be least
Adjacent channel rejection will improve
All of the above will occur

⇒ The expression Y (A, B, C) = ∑m (1, 3, 5, 6) is to realized using a multiplexer. Then
use 8 : 1 multiplexer and ground input lines 1, 3, 5, 6
use 8 : 1 multiplexer and ground input lines 0, 2, 4, 7
use 8 : 1 multiplexer and ground input lines 0, 1, 2, 3
use 8 : 1 multiplexer and ground input lines 4, 5, 6, 7

⇒ Companding is used in PCM to
reduce bandwidth
increasing S/N ratio
get almost uniform S/N ratio
increase bandwidth

⇒ A dc power supply has no load voltage of 30 V and full load voltage of 25 V at full load current of 1 A. The output resistance and voltage regulation respectively are
5 Ω and 25%
25 Ω and 20%
5 Ω and 16.7%
25 Ω and 16.7%

⇒ A 300 MHz plane EM wave is propagating in free space. The wave is incident normally on an infinite copper slap. The antenuation constant for the wave is (σ_copper = 5.8 x 10⁷ mho/ m). The skin depth is
0.005 x 10^-3 m
0.0038 x 10^-3m
0.0028 x 10^-3 m
0.0024 x 10^-3 m

⇒ Find 'X' in the circuit bel
p(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15)
0
Σ(14)
1

⇒ In an ideal current source, the source resistance is zero.
TRUE
FALSE

⇒ Signal to noise ratio of microphone is defined as the ratio of output when the sound pressure is __________ to the output in the absence of any sound signal.
0.5 Pa
0.2 Pa
0.1 Pa
0.01 Pa

⇒ In the circuit of figure the current through L at t = &infin
0
0.416666666666667
6.67 A
5.1 A

⇒

Assertion (A): Derivative control action cannot be used alone.

Reason (R): Derivative control action is effective only during transient periods.

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
R is correct but A is wrong

⇒ The stage marked X in the architecture shown below of a two stage op-amp
Direct coupled amplifier
Buffer amplifier
Level shifter
Blocking oscillator

⇒ The noise figure of klystron amplifier is about
25 dB
3 dB
zero
1 dB

⇒

Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.

Reason (R): All root locus asymptotes intersect on real axis.

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
R is correct but A is wrong

⇒ A triangular Pulse of 10 V peak is applied to a capacitor of 0.4 F. The change of the capacitor and its wavefor
8 rectangular
8 triangular
4 triangular
4 rectangular

⇒ Consider the following features:

negative operands cannot be used
when immediate operand changes, the program should be reassembled
the program is difficult to read
the size of operand is restricted by word length of the computer

Disadvantages of immediate addressing include
1 and 2
2 and 4
2 and 3
1 and 4

⇒ In PM, without any modulation, all the transmitted pulses have the same
amplitude
width
amplitude and spacing
amplitude, spacing and width

⇒ The multiplier resistance and meter coil in a voltmeter are in
series
parallel
series-parallel
either (a) or (b)

⇒

Assertion (A): The forward dynamic resistance of p-n diode varies inversely with current.

Reason (R): The forward dynamic resistance of p-n diode varies with the operating voltage.

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

⇒ In the context of error detection in satellite transmission, ARQ stands for
Automatic Repeat Request
Automatic Relay Request
Accelerated Recovery Request
Automatic Radiation Quenching

⇒ The function δ' (t-b) is
a step function originating at t = b
an impulse function originating at t = b
a unit doublet originating at = t - b
none of the above

⇒ A TV picture is to be transmitted over a channel of 6 MHz bandwidth at a 35 dB S/N ratio. The capacity of the channel is
50 Mbps
100 Mbps
36 Mbps
72 Mbps

⇒ The correct sequence of events to improve system stability is
insert derivative action, use negative feedback, reduce gain
reduce gain, use negative feedback, insert derivative action
reduce gain, insert derivative feedback, use negative feed back
use negative feedback, reduce gain, insert derivative action

⇒ The minimum number of comparators required to build an 8 bit flash ADC is
8
63
255
256