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Consider the following statements regarding the class-B power amplifiers (Complementary symmetry type):
| |
A. | 1, 2 and 3 [Wrong Answer] |
B. | 1, 2 and 4 [Wrong Answer] |
C. | 1, 3 and 4 [Correct Answer] |
D. | 2, 3 and 4 [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ Which one is time invariant system?
y[n] = x[2n]
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y[n] = x[n/2]
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⇒ Which of the following has highest power gain?
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⇒ To determine the polarity of voltage drop across a resistor, it is sufficient to know
direction of current through the resistor
direction and magnitude of current through the resistor
direction and magnitude of current and value of resistance
magnitude of current through the resistance
⇒ Bridge circuits using RTD in temperature measurement usually employ 3 lead system so as to obtain
higher sensitivity
better impedance matching
compensation for signal wire resistance
reduction in power consumption
⇒ A 10 GHz signal propagates in a waveguide with a phase velocity of 4 x 10^{8} m/s. If the signal produces standing wave in the guide, then the distance between successive minimal will be
10 mm
20 mm
30 mm
40 mm
⇒ Which of the following statement regarding the advantages of the phase discriminator over the slope detector is false?
Better linearity
Fewer tuned circuits
Much easier alignment
Greater limiting
⇒ In a microprocessor the clock signal
is always generated internally
is always supplied externally
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is mostly supplied externally
⇒ In a JK master slave flip flop race condition does not occur.
TRUE
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⇒
Assertion (A): Divide-64 counter is a Mod-64 counter and divides the input frequency by 64
Reason (R): A Mod 64 counter can be obtained by cascading Mod 16 and Mod 4 counters.
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A is false, R is true
⇒ The purpose of series quadrature windings in amplidyne is to
neutralize the effect of armature reaction
reduce commutation difficulties
increase the gain
increase response time
⇒ Over which frequency range the effect of atmospheric noise is significant?
Over 35 MHz
Below 30 MHz
Between 30 MHz and 100 MHz
Between 100 MHz and 150 MHz
⇒ The logic function implemented by the following circuit at the terminal OU
P NOR Q
P NAND Q
P OR Q
P AND Q
⇒ The input impedance for a half dipole if radii of both the antenna is 4 and 8 meter respectively
600 Ω
100 Ω
657 Ω
650 Ω
⇒ The residual resistivity of a binary alloy at 0 K is
sum of residual resistivities of component metals
difference of residual resistivities of component metals
product of residual resistivities of component metals
dependent on the concentration of minor component in the alloy
⇒ In figure, the value of R shoul
12 Ω
6 Ω
3 Ω
1.5 Ω
⇒ Magnetisation of a material is the magnetic dipole moment per m^{3}.
TRUE
FALSE
⇒ A 16 bit type ADC uses 1 MHz clock its maximum conversion time is __________ .
16 μs
15 ms
6.5 ms
66 ms
⇒ Millman's theorem is the best to find
equivalent voltage or current source
equivalent voltage source
equivalent voltage and resistance of a circuit
none of the above
⇒ Magnetic deflection is inversely proportional to
voltage
(voltage)^{0.5}
(voltage)^{1.5}
(voltage)^{2}
⇒ The current i(t) through a 10 Ω resistor in series with an inductance is given by i(t) = 3 + 4 sin (100t + 45°) + 4 sin (300t + 60°) Amperes. The RMS value of the current and the power dissipated in the circuit are
41 A, 410 W respectively
35 A, 350 W respectively
5 A, 250 W respectively
11 A, 1210 W respectively
⇒ Sometimes the rotating devices in a room having fluorescent lamps appear to be any station. This is due to
defect in the lamp
low voltage
high voltage
stroboscopic effect
⇒ The angle δ for a mica capacitor is about
25°
15°
5°
1°
⇒ 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
⇒ Integral error compensation changes a second order system to
first order system
third order system
fourth order system
either (a) or (b) depending on the system
⇒ In the state equation x = AX + Bu is a n x m matrix.
TRUE
FALSE
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- Tellegen's theorem is applicable to any lumped networks.
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- Thevenin's theorem is applicable to two- terminal linear active networks.
- Norton's theorem is applicable to two-terminal linear active networks.
1, 2, and 3
1, 2 and 4
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⇒ In CE approximation, the upper end of d.c. load line is called the __________ point and the lower end is the __________ point.
Q, base
base, Q
saturation, cut off
cut off, saturation
⇒ In a three input AND gate A = 1, B = 1, C = 0 The output Y =
ABC
ABC
ABC
ABC
⇒ An op-amp uses
RC coupling
direct coupling
transformer coupling
either (b) or (c)