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The power consumption of a present day colour TV receiver is about | |
A. | 8 W [Wrong Answer] |
B. | 80 W [Correct Answer] |
C. | 200 W [Wrong Answer] |
D. | 400 W [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ The DTFT of x(n) = δ(n) will be
1
0
∞
not defined
⇒ Consider a random noise voltage which has a uniform density function as shown in the figure and is known to be wh
2 bits/reading
5 bits/reading
10 bits/reading
none of these
⇒ The leads in a TRIAC are denoted by
anode cathode, gate
T_{1} T_{2}, gate
T_{1}, T_{2}, anode
T_{1}, T_{2}, T_{3}
⇒ In 8355, the ROM is organized as __________ words of 8 bits each.
2000
2048
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835
⇒ Which chopper circuit uses saturable reactor?
Auxiliary commutated
Jones chopper
Morgan chopper
Load commutated
⇒ A fully controlled bridge converter is feeding an RLE load. For some circuit conditions firing angle is 47°. If connections of battery are reversed, the firing angle is likely to be
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less than 47°
more than 47°
either more or less than 47°
⇒ In FM, increased depth of modulation increases
modulation
modulation index
bandwidth
all of the above
⇒ A wave is propagated in a waveguide at frequency of 9 GHz and separation is 2 cm between walls Calculate group velocity for dominant mode.
1.8 x 10^{8} m/sec
5 x 10^{8} m/sec
3 x 10^{8} m/sec
1.5 x 10^{8} m/sec
⇒
A-2, B-3, C-1, D-1
A-2, B-3, C-4, D-1
A-3, B-1, C-2, D-4
A-3, B-1, C-4, D-2
⇒ A coil of resistance R and inductance L has a capacitor C in parallel with it. The source frequency is adjusted to a value equal to resonant frequency. Another capacitor C is added in parallel with the above circuit, the source current will
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⇒ When a p-n-p transistor is operating in active region, the current in the n region is due to
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⇒ Voltage standing wave pattern in a loss less transmission line with characteristic impedance 50 Ω and a resistive load is shown in the figu
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⇒ Consider the following program for 8085Adds decimal number 5 to contents of memory
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⇒ In an RLC series circuit having finite values of RLC, the phase difference between applied voltage and current is
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between 0 and 180°
between 0 and 90°
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⇒ A high resistance was measured by loss of charge method. The voltmeter resistance was 10^{10} ohms. The calculation gave the value of unknown resistance as 0.8 x 10^{9} ohms. The true value of resistance is
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less than 0.8 x 10^{9} Ω
more than 0.8 x 10^{9} Ω
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⇒ A circuit has two branches 1 and 2 in parallel. If |Q_{1}| = 8 KVAR and |Q_{2}| = 6 KVAR, the magnitude of total kvar drawn form supply will be
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⇒ In switching devices, gold doping is used to
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⇒ A 200 Hz sound wave is to be transmitted by a 1000 kHz radio wave using frequency modulation. The instantaneous frequency variation will be
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⇒ An astable multivibrator circuit using IC 555 timer is shown below. Assume that the circuit is oscillating stea
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⇒ A NOR gate has 3 inputs A, B, C. For which combination of inputs is output HIGH
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⇒ The function shown in figure, can represent a probability density function for A ________
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⇒ In case of static storage elements
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⇒ The numbers of accelerating anodes in a CRO is
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2
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⇒ Which of the following is very useful as multiband HF receiving antenna?
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⇒ Which of the following is true?
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⇒ Calculate the electrostatic force of repulsion between two mica particles at a distance of 10^{-13} m from each other. Charge on a particle is 3.2 x 10^{-19} C. (relative permittivity for mica is 5)
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⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ Consider the following features of 'structures' in C?
All
1 and 2 only
1 and 3 only
2 and 3 only
⇒ The DTFT of x(n) = δ(n) will be
1
0
∞
not defined
⇒ Consider a random noise voltage which has a uniform density function as shown in the figure and is known to be wh
2 bits/reading
5 bits/reading
10 bits/reading
none of these
⇒ The leads in a TRIAC are denoted by
anode cathode, gate
T_{1} T_{2}, gate
T_{1}, T_{2}, anode
T_{1}, T_{2}, T_{3}
⇒ In 8355, the ROM is organized as __________ words of 8 bits each.
2000
2048
8355
835
⇒ Which chopper circuit uses saturable reactor?
Auxiliary commutated
Jones chopper
Morgan chopper
Load commutated
⇒ A fully controlled bridge converter is feeding an RLE load. For some circuit conditions firing angle is 47°. If connections of battery are reversed, the firing angle is likely to be
47°
less than 47°
more than 47°
either more or less than 47°
⇒ In FM, increased depth of modulation increases
modulation
modulation index
bandwidth
all of the above
⇒ A wave is propagated in a waveguide at frequency of 9 GHz and separation is 2 cm between walls Calculate group velocity for dominant mode.
1.8 x 10^{8} m/sec
5 x 10^{8} m/sec
3 x 10^{8} m/sec
1.5 x 10^{8} m/sec
⇒
Match the following:
List I (Characteristics) | List II (Device) | ||
---|---|---|---|
A. | Voltage controlled device | 1. | BJT |
B. | Current controlled device | 2. | UJT |
C. | Conductivity modulation device | 3. | FET |
D. | Negative conductance device | 4. | Impatt diode |
A-2, B-3, C-1, D-1
A-2, B-3, C-4, D-1
A-3, B-1, C-2, D-4
A-3, B-1, C-4, D-2
⇒ A coil of resistance R and inductance L has a capacitor C in parallel with it. The source frequency is adjusted to a value equal to resonant frequency. Another capacitor C is added in parallel with the above circuit, the source current will
increase
decrease
remain the same
may increase or decrease
⇒ When a p-n-p transistor is operating in active region, the current in the n region is due to
only holes
only electrons
mainly holes
mainly electrons
⇒ Voltage standing wave pattern in a loss less transmission line with characteristic impedance 50 Ω and a resistive load is shown in the figu
50 Ω
200 Ω
12.5 Ω
0 Ω
⇒ Consider the following program for 8085
Subtracts decimal number 5 from contents of memory
Subtracts decimal number 15 from contents of memory
Adds decimal number 15 to contents of memory
⇒ In an RLC series circuit having finite values of RLC, the phase difference between applied voltage and current is
always 0°
between 0 and 180°
between 0 and 90°
always 90°
⇒ A high resistance was measured by loss of charge method. The voltmeter resistance was 10^{10} ohms. The calculation gave the value of unknown resistance as 0.8 x 10^{9} ohms. The true value of resistance is
0.8 x 10^{9} Ω
less than 0.8 x 10^{9} Ω
more than 0.8 x 10^{9} Ω
either (b) or (c)
⇒ A circuit has two branches 1 and 2 in parallel. If |Q_{1}| = 8 KVAR and |Q_{2}| = 6 KVAR, the magnitude of total kvar drawn form supply will be
14 KVAR
2 KVAR
zero
14 or 2 KVAR
⇒ In switching devices, gold doping is used to
improve bonding
reduce storage time
increase the mobility of the carrier
protect the terminals against cooperation
⇒ The presence of some holes in an intrinsic semiconductor at room temperature is due to
valence electrons
doping
free electrons
thermal energy
⇒ A 200 Hz sound wave is to be transmitted by a 1000 kHz radio wave using frequency modulation. The instantaneous frequency variation will be
100 times a second
200 times a second
400 times a second
1000 times a second
⇒ An image uses 512 x 512 picture elements. Each element can take any of eight distinguishable levels. The maximum entropy in the above image will be
2097152 bits
786432 bits
648 bits
144 bits
⇒ An astable multivibrator circuit using IC 555 timer is shown below. Assume that the circuit is oscillating stea
3 V to 5 V
3 V to 6 V
3.6 V to 6 V
3.6 V to 5 V
⇒ A NOR gate has 3 inputs A, B, C. For which combination of inputs is output HIGH
A = B = C = 0
A = B = C = 1
A = B = 1 and C = 0
A = C = 1 and B = 0
⇒ The function shown in figure, can represent a probability density function for A ________
A = 1/4
A = 1/6
A = 1/8
A = 1/2
⇒ In case of static storage elements
information is permanently stored
information is to be periodically refreshed
information is to be intermittently refreshed
information is lost in case power is removed
⇒ The numbers of accelerating anodes in a CRO is
1
2
3
4
⇒ Which of the following is very useful as multiband HF receiving antenna?
Square loop
Conical horn
Folded dipole
Log-periodic
⇒ Which of the following is true?
The poisson distribution is limiting case of binomial distribution.
In symmetrical distribution, the mean, median and mode coincide.
Regression is the estimation or production of unknown values of one variables from known values of another variable.
All are true.
⇒ Calculate the electrostatic force of repulsion between two mica particles at a distance of 10^{-13} m from each other. Charge on a particle is 3.2 x 10^{-19} C. (relative permittivity for mica is 5)
1.843 x 10^{-15} N
9.2 x 10^{-2} N
14.41 x 10^{-9} N
none of these
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ Consider the following features of 'structures' in C?
- The values of a structure variable can be assigned to another structure variable of the same type using the assignment operator.
- One structure can be nested within another structure.
- A variable structure can also be passed to a function.
All
1 and 2 only
1 and 3 only
2 and 3 only