Question is ⇒ Special circuits using neon tubes, contact relays and capacitors are used in many domestic appliances. The role of capacitor in figure i, Options are ⇒ (A) reduce power loss, (B) function as resistor when relay is on, (C) delay the operation of the contact relay after switching on, (D) open circuit the relay terminals, (E) , Leave your comments or Download question paper.

Question is ⇒ Special circuits using neon tubes, contact relays and capacitors are used in many domestic appliances. The role of capacitor in figure i, Options are ⇒ (A) reduce power loss, (B) function as resistor when relay is on, (C) delay the operation of the contact relay after switching on, (D) open circuit the relay terminals, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Special circuits using neon tubes, contact relays and capacitors are used in many domestic appliances. The role of capacitor in figure i
A.	reduce power loss [Wrong Answer]
B.	function as resistor when relay is on [Wrong Answer]
C.	delay the operation of the contact relay after switching on [Correct Answer]
D.	open circuit the relay terminals [Wrong Answer]
View Answer 1 -1 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 FM signal with a modulation index m_f is passed through a frequency tripler. The wave in the output of the tripler will have a modulation index of
m_f
3m_f
m_f/3
m_f/9

⇒ Loading effect is primarily caused by instruments having
high resistance
high sensitivity
low sensitivity
high range

⇒ When deflecting torque and braking torque in an energy meter are zero,
the disc rotates at steady speed
the disc is stationary
the disc accelerates
the disc retards

⇒ In 8086 microprocessor, if the segment register contains 1 FAB and IP register contains 10AI, the effective memory address is
20B51
304C
FBC0
FDB5

⇒ In a 5.6 ohms, ± 10% carbon composition resistor, the colour of the third strip from extreme left is
golden
silver
green
black

⇒ IC 74181 has two select lines.
TRUE
FALSE

⇒ In a decimal digital computer, the number 127 is stored
1111111
0001 00100111
10001
11000111

⇒ The two terms used to describe performance of a directional coupler are
coupling and directivity
gain and coupling
gain and directivity
gain and isolation

⇒ For a push pull circuit the most favoured biasing method is
self bias
emitter bias
diode bias
collector bias

⇒ Tape recorders use
cone type loudspeakers
horn type loudspeakers
either cone type or horn type loudspeakers
none of the above

⇒ The number of digit 1 present in the binary representation of 3 x 512 + 7 x 64 + 5 x 8 + 3 is
8
9
10
12

⇒ The quantum numbers associated with electron motion are designed as
a, b, c
h, k, l
n, m, l
h, n, l

⇒ Convolution of x(t + 5) with impulse function δ(t - 7) is equal to
x(t - 2)
x(t + 12)
x(t - 12)
(t + 2)

⇒ Harmonic distortion analyser
measures amplitude of each harmonic
measures rms value of fundamental frequency component
measures rms value of all harmonics except fundamental frequency
displays rms value of each harmonic on screen of CRO

⇒ In a series RLC circuit p.f is lagging when f < resonance frequency.
TRUE
FALSE

⇒ A long periodic antenna is a
frequency independent antenna
frequency dependent antenna
directional antenna
none of the above

⇒ The value of susceptibility in case of vacuum is taken as
zero
0.5
unity
infinity

⇒ An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 10⁶ Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are
200 and 1.01
200 and 10.01
200 and 100.1
200 and 200

⇒ The main advantage of TDM over FDM is
TDM requires more bandwidth than FDM
less complicated in hardware than FDM
better SNR
required filter

⇒ Which of the following statement about the amplitude limiter is not valid?
Leak type bias must be used
Output must be tuned
The circuit is always biased in class C, by virtue of the leak type bias
When the input increases past the threshold of limiting, the gain decreases to keep the output constant

⇒ In 8085 microprocessor, how many I/O ports can be accessed by memory mapped method?
8
256
32 K
64 K

⇒ If the voltage across the last resistor is V, and all the resistor is unity. Then V_s is give
8 V
4 V
13 V
0

⇒ An 8 bit DAC has a full scale output of 2 mA and full scale error of ± 0.5%. If input is 10000000 the range of outputs is
994 to 1014 μA
990 to 1020 μA
800 to 1200 μA
none of the above

⇒ A silicon wafer has 100 nm of oxide it and is inserted in a furnace at a temperature above 1000°C for further oxidation in dry oxygen. The oxidation rate
is independent of current oxide thickness and temperature
is independent of current oxide thickness but depends on temperature
slows down as the oxide grows
is zero as the existing oxide prevents further oxidation

⇒ A square in which each (i, j)^th element of matrix is equal to the negative of the conjugate complex of (j, i)^th element, is called
Hermitian matrix
Skew symmetric matrix
Conjugate anti-symmetric matrix
Skew-Hermitian matrix

⇒ Basically a potentiometer is a device for
comparing two votage
measuring a voltage
comparing two currents
measuring a current

⇒ A basic group B
consists of five super groups
has a frequency range of 60 to 108 kHz
consists of erect channels only
is formed at group translating equipment

⇒ Out of modes TE₂₀ and TE₃₀ of propagation of electromagnetic engery
both have the same cutoff frequency
TE₂₀ has lower cut off frequency as compared to TE₃₀
TE₃₀ has lower cutoff frequency as compared to TE₂₀
either (a) or (c)

⇒ For infinite value of SWR on a transmission line, the line be terminated with impedance as
an open-circuit
a short-circuit
a pure resistance
all of the above

⇒ The equivalent form of the logical expression ABC + A BC + ABC + ABC + AB C is
C + (A ⊕ B)
(A + B + C)(A + B + C)
(A + B + C)(A + B + C)(A + B + C)
(A + B + C)(A + B + C)(A + B + C)