Question is ⇒ For the power amplifier circuit shown below, the maximum power dissipated by both output transisto, Options are ⇒ (A) 9.66 W, (B) 30.11 W, (C) 31.66 W, (D) 33.66 W, (E) , Leave your comments or Download question paper.

Question is ⇒ For the power amplifier circuit shown below, the maximum power dissipated by both output transisto, Options are ⇒ (A) 9.66 W, (B) 30.11 W, (C) 31.66 W, (D) 33.66 W, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	For the power amplifier circuit shown below, the maximum power dissipated by both output transisto
A.	9.66 W [Wrong Answer]
B.	30.11 W [Wrong Answer]
C.	31.66 W [Correct Answer]
D.	33.66 W [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 :

⇒ The collector voltage V_C of the circuit shown in the given figure aside is approxima
2 V
4.6 V
8 V
8.6 V

⇒

Match the following:

	List I (Types of transmission structure)		List II (Modes of propagation)
A.	Strip line	1.	Quasi TEM
B.	Hollow rectangular waveguide	2.	Pure TEM
C.	Microstrip	3.	TE/TM
D.	Corrugated waveguide	4.	Hybrid

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

⇒ The impulse response of discrete time system is x[n] = (4)ⁿ ∪[3 - n], the system is
casual
stable
stable and casual
stable and non-casual

⇒ Which device has internal positive feedback?
Two cavity klystron amplifier
Multi-cavity klystron amplifier
Reflex klystron amplifier
All of the above

⇒ A speech signal, band limited to 4kHz and peak voltage varying between + 5V and - 5V is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits. Assuming the signal to be uniformly distributed between its peak values, the signal to noise ratio at the quantizer output is
156 dB
32 dB
48 dB
64 dB

⇒ The direction of rotation of a CD is
clockwise
anticlockwise
clockwise or anticlockwise depending on frequency of data stored
mostly anticlockwise but some times clockwise

⇒ A colour television signal having bandwidth of 4.6 MHz is digitised using 10 bits sample. The digital bit rate used for its transmission with PCM would be __________ kilobits/second.
92000
920
23000
230

⇒ Which one of the following statements is correct for MOSFETS?
p channel MOS is easier to produce than n channel MOS
n channel MOS must have twice the area of p channel MOS for the same ON resistance
p channel MOS has faster switching action than n channel MOS
p channel MOS has higher packing density than n channel MOS

⇒ For Bode plot of (1 + jωT) has
slope of 20 dB/decade and phase angle + tan^-1 (ωT)
slope of - 20 dB/decade and phase angle + tan^-1 (ωT)
slope of 20 dB/decade and phase angle - tan^-1 (ωT)
slope of - 40 dB/decade and phase angle - tan^-1(ωT)

⇒ The absolute values of pinch-off voltage and gate-source cut-off voltage are
nearly zero
complementary to each other
never equal
equal

⇒ A lag compensator
speeds up the transient response of the system
improves steady state behaviour of the system
improves steady state behaviour and speeds up the transient response of the system
improves steady state behaviour and preserves the transient response of the system

⇒ Final value theorem is used to find
steady state value of system output
initial value of output
transient beaviour of output
none of these

⇒ Dielectric strength of polythene is around
10 kV/mm
40 kV/mm
100 kV/mm
140 kV/mm

⇒ The resistance of a photoconductor
increases with increase in light intensity
decreases with increase in light intensity
may increase or decrease with increase in light intensity
remains constant

⇒ In the expression a = 5 * 2 / 3.2 + 4 / 8 - 2 + 5 / 9 which operation will have the first priority in C?
5*2
2 / 3.2
5 * 2 / 3.2
42833

⇒ What will be equipotential surfaces for a pair of equal and opposite line charges?
Spheres
Concentric cylinders
Non-concentric cylinders
None of the above

⇒ Which of the following is not a specification of D/A and A/D converters?
Gain
Drift
Speed
Accuracy

⇒ Dielectric materials have high specific resistance.
TRUE
FALSE

⇒ The material which has zero temperature coefficient of resistance is
manganin
porcelain
carbon
aluminium

⇒ In figure, the current I_{410 ∠0
5 ∠90°
5 ∠270°
10 ∠90°}

⇒ In the circuit of figure the current through 3 Ω resistance at t = &infin
0.166666666666667
2.5 A
3.1 A
0

⇒ Figure given below shows the internal schematic of a TTL AND-OR Invert (AOI) gate, For the input shown in the given figure, the output
0
1
AB
AB

⇒ If σ is standard deviation, variation is
σ - 1
σ^1.5
σ²
σ³

⇒ In common base amplifier the current gain is less than one, but the voltage gain may be anywhere from
0.5 to 1
1 to 5
5 to 10
50 to 2000

⇒ In intrinsic semiconductor at 300 K, the magnitude of free electron concentration in silicon is about
15 x 10⁴ per cm³
5 x 10¹² per cm³
1.45 x 10¹⁰ per cm³
1.45 x 10⁶ per cm³

⇒ With an ac input from 50 Hz power line, the ripple frequency is
50 Hz in the dc output of half wave as well as full wave rectifier
100 Hz in the dc output of half wave as well as full wave rectifier
50 Hz in the dc output of half wave and 100 Hz in the dc output of full wave
100 Hz in the dc output of half wave and 50 Hz in the dc output of full wave

⇒ JFET is also known as
linear device
square law device
inverse law device
logarithmic law device

⇒ A rectangular waveguide is a
rectangular conducting wire to propagate electromagnetic waves
hollow rectangular walled room carrying electromagnetic wave
hollow rectangular conducting tube through which electromagnetic waves can be propagated
tube antenna to transmit and receive electromagnetic waves

⇒

Assertion (A): In design of circuit using BJT, a derating factor is used.

Reason (R): As the ambient temperature increases, heat dissipation becomes slower.

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

⇒ Consider the following:

Oscillator
Emitter follower
Cascaded amplifier
Power amplifier

Where of these use feedback amplifiers?
1 and 2
1 and 3
2 and 4
3 and 4