Question is ⇒ In rectifiers the use of RC filters is recommended when, Options are ⇒ (A) load current is high, (B) load current is small, (C) load current is neither high nor small, (D) either (a) or (c), (E) , Leave your comments or Download question paper.

Question is ⇒ In rectifiers the use of RC filters is recommended when, Options are ⇒ (A) load current is high, (B) load current is small, (C) load current is neither high nor small, (D) either (a) or (c), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In rectifiers the use of RC filters is recommended when
A.	load current is high [Wrong Answer]
B.	load current is small [Correct Answer]
C.	load current is neither high nor small [Wrong Answer]
D.	either (a) or (c) [Wrong Answer]
View Answer 1 -1 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 :

⇒ In which of the following 8085 instructions are all condition flags except CY affected?
INR r
SEE M
ACI data
ADC r

⇒

Match the following:

	List I		List II
A.	h_ie	1.	49
B.	h_re	2.	25 x 10^-6siemens
C.	h_fe	3.	2.4 x 10^-4
D.	h_oe	4.	1000 ohms

A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-3, B-4, C-1, D-2
A-4, B-3, C-1, D-2

⇒ If a class C power amplifier has an input signal with frequency of 200 kHz and the width of collector current pulses of 0.1 ms, then the duty cycle of the amplifier will be
0.01
0.02
0.1
0.2

⇒ The capacitance of a cylindrical capacitor is directly proportional to its length.
TRUE
FALSE

⇒ In the TTL circuit in the figure, S₂ to S₀ are select lines and X₇ to X₀ are input lines. S₀ and X₀ are LSBs. The output
Indeterminate
A ⊕ B
A ⊕ B
C . A ⊕ B + C . (A ⊕ B)

⇒ What is the characteristic of a good control system?
Sensitive to parameter variation
Insensitive to input command
Neither sensitive to parameter variation nor sensitive to input commands
Insensitive to parameter variation but sensitive to input commands

⇒ Figure shows the variation of Z(ω) for a positive real function. The functio
RC impedance
RL impedance
RLC impedance
Reactance function

⇒ In figure, secondary winding has 40 turns. For maximum power transformer to 2 ohm resistance the number of turns in primar
20
40
80
160

⇒ High frequency waves are
absorbed by the F₂ layer
reflected by the D layer
affected by the solar cycle
none of the above

⇒

Assertion (A): For most metals, Fermi energy E_F is less than 10 eV.

Reason (R): Fermi level of a metal is given by E_F = 3.64 x 10^-19 (n)^2/3 where n is number of free electrons/m³ of metal.

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

⇒ Consider the following statements

Impedance of Gunn diode is about tens of ohms.
Impedance of Impatt diode is a few ohms.
Impedance of Impatt diode are of the same order.
Impedance of Impatt diode is more than that of Gunn diode.

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

⇒ Consider the following tasks in a micro computer

Receiving data and instruction
Performing arithmetic computation
Performing logical computations
Storing data and instructions

Which of the above are performed by ALU?
2 only
2 and 3 only
1, 2 and 3 only
All

⇒ Semiconductors have
aero temperature coefficient of resistance
positive temperature coefficient of resistance
negative temperature coefficient of resistance
none of the above

⇒ In the given figure the line voltage after a number of reflections wil
30 V
-30 V
10 V
-10 V

⇒ Diffraction of electromagnetic waves
may occur around the edge of a sharp obstacle
is caused by reflections from the ground
arises only with the spherical wave fronts
will occur when the waves pass through a large slot

⇒

Assertion (A): Hamming code is commonly used for error correction

Reason (R): In Hamming code the number of parity bits increases as the number of information bits increases.

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

⇒ In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.
less than 20°
more than 20°
equal to 20°
equal to or more than 20°

⇒ In synchronous detection of an AM signal
Carrier is completely suppressed
Both side hands are suppressed
Only one side band and part of carrier is suppressed
One side band and full carrier is suppressed

⇒ RF amplifiers are used in radio receivers for
better sensitivity
improved signal-to-noise ratio
better coupling of receiver to the antenna
all of the above

⇒ A network N is dual of network N if
both of them have same mesh equation
both of them have same node equation
mesh equation of one are the node equations of the other
KCL and KVL equations are the same

⇒ The transition of electron from energy level W₁ to W₂ is associated with emission or absorption of electro magnetic radiation of frequency f such that
hf = |W₁ - W₂|
|W₁ - W₂|f = h
hf = 0.5|W₁ - W₂|
(hf)² = |W₁ - W₂|

⇒ If the oscillator output is modulated by audio frequencies upto 10 kHz, the frequency range occupied by the side bands will be
711.9 kHz to 712.1 kHz
702 kHz to 722 kHz
692 kHz to 732 kHz
71.2 kHz to 71.20 kHz

⇒ For an amplifier the power gain in decibels will be equal to voltage gain in decibels only when
R₀ = 0
R₀ = R_i = 90
R₀ = R_i
R_i = 0

⇒

Assertion (A): For a magnetic material M = (μ_r - 1) H, where M is magnetic dipole moment/m³, H is field intensity A/m and μ_r is relative permeability.

Reason (R): μ_r can have any value from 0 to hundreds of thousands.

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

⇒ In figure, V_{0-1 V
2 V
+1 V
+15 V}

⇒

Assertion (A): In CC amplifier the collector is at ac ground

Reason (R): CC amplifier is also called emitter follower

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

⇒

Assertion (A): Schottky transistors are preferred over normal transistors in digital circuits

Reason (R): A Schottky transistor when used as a switch, between cutoff and active region.

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

⇒

Assertion (A): Electromagnetic waves in free space spread uniformly in all directions from a point source

Reason (R): Free space has no interference or obstacles.

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

⇒ Find R_{TH200 Ω
0 Ω
400 Ω
None of these}

⇒ A resistance strain gauge has a resistance of about
100 Ω
25 Ω
10 Ω
1 Ω