Question is ⇒ With an ac input from 50 Hz power line, the ripple frequency is, Options are ⇒ (A) 50 Hz in the dc output of half wave as well as full wave rectifier, (B) 100 Hz in the dc output of half wave as well as full wave rectifier, (C) 50 Hz in the dc output of half wave and 100 Hz in the dc output of full wave, (D) 100 Hz in the dc output of half wave and 50 Hz in the dc output of full wave, (E) , Leave your comments or Download question paper.

Question is ⇒ With an ac input from 50 Hz power line, the ripple frequency is, Options are ⇒ (A) 50 Hz in the dc output of half wave as well as full wave rectifier, (B) 100 Hz in the dc output of half wave as well as full wave rectifier, (C) 50 Hz in the dc output of half wave and 100 Hz in the dc output of full wave, (D) 100 Hz in the dc output of half wave and 50 Hz in the dc output of full wave, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	With an ac input from 50 Hz power line, the ripple frequency is
A.	50 Hz in the dc output of half wave as well as full wave rectifier [Wrong Answer]
B.	100 Hz in the dc output of half wave as well as full wave rectifier [Wrong Answer]
C.	50 Hz in the dc output of half wave and 100 Hz in the dc output of full wave [Correct Answer]
D.	100 Hz in the dc output of half wave and 50 Hz in the dc output of full wave [Wrong Answer]
View Answer 2 -14 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 network containing resistances, reactances the root of the characteristic equation give for the circuit
the forced response
the total response
the natural response
the damped response

⇒ In 8085 microprocessor, which of the following interrupts has the highest priority?
RST 5.5
RST 7.5
TRAP
INTR

⇒ Consider the differential amplifier shown in figure. (Assume β is very hi
2 mA
1 mA
0.5 mA
3 mA

⇒ The maximum power output of a standard A earth station over the total band allocated to satellite communication is about
0.5 kW
8 kW
20 kW
50 kW

⇒ A memory chip has 65536 cells in it. Then
time required to access cell is same as that to access cell 65536
time required to access cell is less than that required to access cell 65536
time required to access cell is more than that required to access cell 65536
either (a) or (b)

⇒ D/A converters are generally
weighted resistor network
binary ladder network
either (a) or (b)
neither (a) nor (b)

⇒ Consider the following statements

Tellegen's theorem is applicable to any lumped network.
Reciprocity theorem is applicable to linear bilateral network.
Thevenin theorem is applicable to two terminal linear active network.
Norton's theorem is applicable to linear active network.

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

⇒ The 'h' parameters of the circuit shown in the figure are h_ib = 25 Ω, h_fb = 0.999 and h_ob = 10^-6Ω The Voltage gai
0.99
1.98
2
4

⇒ In 8085 the data is stored in the stack on
First in First Out basis
Last in First Out basis
First in Last Out basis
Last in Last Out basis

⇒ The holes diffuse from P-region to the N-region in a P-N junction diode because
there is greater concentration of holes in the P-region as compared to N-region
there is greater concentration of holes in the N-region as compared to P-region
the free electrons in the N-region attract them
potential difference facilities such transfer

⇒ In a 4 input OR gate, the total number of High outputs for the 16 input states are
16
15
14
13

⇒ The circuit of figure is ca
current mirror
voltage mirror
impedance inversion
phase splitting

⇒ For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
2E
3E
4E
6E

⇒ For a transistor if a_dc = 0.98 and emitter current I_E is 2 mA, then base current will be
10 μA
40 μA
80 μA
200 μA

⇒ Burden of an instrument transformer is expressed in
A
V-A
Ω
watt

⇒ L [f(t - a)] = F(jω) e^-jωa
TRUE
FALSE

⇒ Which of these has the highest dielectric strength?
Mica
Air
Cotton
Rubber

⇒ End fire array has a dipole spacing of λ/2.
TRUE
FALSE

⇒ The most suitable method for detecting a modulated signal g(t) = (3 to 6 cos 2pf_mt) cos 2pf_ct is
envelope detector
synchronous detector
ratio detector
both a and b

⇒ Photoelectric emitters in photo tubes are generally made of
alkali metals
metals
semiconductors
metal and semiconductors

⇒ In figure the total inductance of the circui
L₁ + L₂
L₁ + L₂ - M
L₁ + L₂ - 2M
L₁ + L₂ + M

⇒ Which antenna is frequently used for local area transmission at UHF/VHF?
Ground monopole
Turnstile antenna
Slot antenna
Loop antenna

⇒ In a single phase half wave converter feeding resistive load and full wave converter (M - 2 connection) feeding a resistive load the circuit conditions are similar. The firing angle is a. Then the waveshapes of voltages across thyristors
are similar
are not similar
may be similar or dissimilar
are similar only for some values of a

⇒

Assertion (A): The wave shown in the given figure does not contain the dc component and even harmo
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

⇒ Which of the following instructions in 8085 does not belong to data transfer group?
L X I rp, data 16
MOV M, r
MVIM, data
ADC M

⇒ Electrical conductivity of metals expressed in ohm^-1 m^-1 is of the order of
10¹⁰
10⁵
10^-4
10^-6

⇒ The input to a coherent detector is DSB - SC signal plus noise. The noise at the detector output is
in phase component
quadrature component
zero
the envelope

⇒ VTM stands for voltage tunable magnetron.
TRUE
FALSE

⇒ In a second order system with a unit step input, the speed of response is high if system is
overdamped
undamped system
critically damped
underdamped

⇒ Consider the following advantages of phase array radar

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