Question is ⇒ A voltage multiplier circuit, using diodes and capacitors is suitable for, Options are ⇒ (A) high voltage high current device, (B) high voltage low current device, (C) low voltage low current device, (D) low voltage high current device, (E) , Leave your comments or Download question paper.

Question is ⇒ A voltage multiplier circuit, using diodes and capacitors is suitable for, Options are ⇒ (A) high voltage high current device, (B) high voltage low current device, (C) low voltage low current device, (D) low voltage high current device, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A voltage multiplier circuit, using diodes and capacitors is suitable for
A.	high voltage high current device [Wrong Answer]
B.	high voltage low current device [Correct Answer]
C.	low voltage low current device [Wrong Answer]
D.	low voltage high current device [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 a radio receiver with simple AGC
the highest AGC voltage is produced between stations
an increase in signal strength produces more AGC
the audio stage gain is normally controlled by AGC
the faster the time constant of AGC, more accurate the output

⇒ If x_k = 2^k for k ≤ 0 and = 0 for k > 0 X(z) = 2/(2 - z).
TRUE
FALSE

⇒ The number of cells in a 4 variable K map is
16
8
4
32

⇒ In 8085 microprocessor based system running at 3 MHz clock frequency what should be the minimum pulse width of the INTR signal, so that it is recognized successfully?
0.33 μs
0.666 μs
5.8 μs
none of these

⇒ The atomic number of silicon is 14. It can be therefore concluded that
a silicon atom contains 14 protons
a silicon atom contains 14 neutrons
a silicon atom contains 14 electrons
all of the above

⇒ If a function Z(s) has a pole at infinity, then
the degrees of numerator and denominator are equal
the degree of numerator is one higher than that of denominator
the degree of denominator is one higher than that of numerator
the difference between the degrees of numerator and denominator is 0 or 1

⇒

Assertion (A): Peak to peak value of a sinusoidal wave is 2.828 times the rms value.

Reason (R): Peak factor of a sinusoidal wave is 1.414.

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

⇒ An input voltage V(t) = 10 2 cos (t + 10°) + 10 3 cos (2t + 10°)V is applied to a series combination of resistance R = 1 kΩ inductance L = 1H. The resulting steady-state current i(t) in ampere is
10 cos (t + 55°) + 10 cos (2t + 10° tan^-12)
10 cos (t + 55°) + 103/2 cos (2t + 55°)
10 cos (t - 35) + 10 cos (2t + 10° - tan^-12)
10 cos (t - 35) + 103/2 cos (2t + 35°)

⇒ A phasor is
a line representing the magnitude and direction of an alternating quantity
a line which represents the magnitude and phase of an alternating quantity
an instrument used for measuring phases of an unbalanced 3-phase load
a coloured tag or band for distinguishing between different phases of a 3-phase supply

⇒ 110.11₂ x 110₂ = __________ ₁₀
40.5
30.5
20.5
10.5

⇒ If other parameter are constant, transmission loss at 5 GHz as compared to that at 0.5 GHz is
20 dB more
20 dB less
700 dB more
100 dB less

⇒ A step down cycloconverter has an input frequency f. If it uses natural commutation, the output frequency
must be a sub-multiple of input frequency
can be any frequency
must be an even sub-multiple of input frequency
must be an odd sub-multiple of input frequency

⇒ The signal defined by the equations f(t) = 0 for t < 0, f(t) = E for 0 ≤ t ≤ a and f(t) = 0 for t > a is
a step function
a pulse function
a shifted step function originating at t = a
none of the above

⇒ In a varactor diode the increase in width of depletion layer results in
decrease in capacitance
increase in capacitance
no change in capacitance
either (a) or (b)

⇒ Precisely 1 K byte means
1000 bits
1012 bits
1020bits
1024 bits

⇒ As compared to BJT, MOSFET has
lower switching losses and higher conduction losses
higher switching losses and higher conduction losses
higher switching losses and lower conduction losses
lower switching losses and lower conduction losses

⇒ Which converter is used in HVDC transmission?
3 pulse
6 pulse
12 pulse
24 pulse

⇒ TV signal strength when expressed in dB m has the reference of
10 μV/m
5 μV/m
2 μV/m
1 μV/m

⇒

Assertion (A): A GTO circuit is more compact than SCR circuit

Reason (R): A GTO can be turned off by negative gate pulse.

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

⇒ In a FM waveform, the side bands are spaced at intervals equal to
four times the modulating frequency
twice the modulating frequency
half the modulating frequency
modulating frequency

⇒ In a minimum function
the degree of numerator and denominator are equal
the degree of numerator and denominator are unequal
the degree of numerator is one more than degree of denominator
the degree of numerator is one less than degree of denominator

⇒ Parallel wire transmission line is an example of
lumped network
distributed
depend upon I/P signal strength
power I/P

⇒ The slope of log magnitude asymptote changes by - 40 dB/ decade at a certain frequency and the error between asymptote and actual curve is - 6 dB. This means that
a double pole is present
a pair of complex conjugate poles is present
either a double pole or a pair of complex conjugate poles is present
either a pole or zero at that frequency is present

⇒

Assertion (A): TWT uses a focussing mechanism to prevent the electron beam from spreading.

Reason (R): In a TWT the electron beam has to travel a much longer distance than in klystron.

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

⇒ Most of the digital computers do not have floating-point hardware because
floating point hardware is costly
it is slower than software
it is not possible to perform floating point addition by hardware
of not specific reason

⇒ In order to rectify sinusoidal signals of millivolt range (< 0.6 V)
bridge rectifier using diodes can be employed
full wave diode rectifier can be used
a diode is to be inserted in the feedback loop of an op-amp
a diode is to be inserted in the I/P of an op-amp

⇒ In ionosphere incidence angle is 60°. The maximum usable frequency f_m is equal to
2f_c
f_c
0.5 f_c
3 f_c

⇒ In 8085 microprocessor, what is the length of status Word?
6 bits
8 bits
12 bits
16 bits

⇒ Which of the following is the indirect way of FM generation?
Reactance bipolar transistor modulator
Armstrong modulator
Varactor diode modulator
Reactance FM modulator

⇒ The upper and lower side frequencies for 3 kHz audio modulation with a 27 MHz carrier frequency will be
30 and 24 MHz
27.3 and 26.7 MHz
27.3 and 26.97 MHz
27.3 and 26.97 MHz