Question is ⇒ Audio amplifiers need, Options are ⇒ (A) Bass control, (B) Treble control, (C) Both Bass and Treble control, (D) Either Bass or Treble control, (E) , Leave your comments or Download question paper.

Question is ⇒ Audio amplifiers need, Options are ⇒ (A) Bass control, (B) Treble control, (C) Both Bass and Treble control, (D) Either Bass or Treble control, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Audio amplifiers need
A.	Bass control [Wrong Answer]
B.	Treble control [Wrong Answer]
C.	Both Bass and Treble control [Correct Answer]
D.	Either Bass or Treble control [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 :

⇒

Assertion (A): Synchronous counter has higher speed of operation than ripple counter

Reason (R): Synchronous counter uses high speed flip flops.

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 true, R is false
A is false, R is true

⇒ Consider the following statements for 8085

The most significant 8 bits of address are transmitted on the 8 lines on which data is transmitted.
Eight pins are dedicated to transmit the most significant 8 bits of memory address.
The least significant 8 bits of address are transmitted on the lines on which data is transmitted.
The data and leass significant 8 bits are transmitted at different points in time.

Which of the above statements are correct?
all
1, 2 and 3 only
2, 3 and 4 only
1, 3 and 4 only

⇒ A system has high gain and phase margin. The system is
very stable
sluggish
very stable and sluggish
oscillatory

⇒ Which of the following statement about TRIAC is incorrect?
It is not particularly suited to A.C. or mains power control
Any one of its main terminals can be used either as cathode or as anode
It can be triggered in response to both positive and negative gate terminals
None of the above

⇒ In a JFET
gate source cut off voltage is equal to V_DS
gate source cut off voltage is equal to pinch off voltage
gate source cut off voltage is twice the pinch off voltage
gate source cut off voltage is equal to negative pinch off voltage

⇒ Which one of the following is correct? Energy of a power signal is
finite
zero
infinite
between 1 and 2

⇒ Figure shows characteristics curves for bipolar transistor. These curves
output characteristics of n-p-n transistor (common base)
output characteristics of p-n-p transistor (common base)
output characteristics of n-p-n transistor (common emitter)
output characteristics of p-n-p transistor (common emitter)

⇒ The MOS symbols shown indica
1, 3, 6
2, 4, 6
1, 3, 5
2, 3, 6

⇒ 39.12₁₀ = __________ ₁₀
10111.0001111
100011.0001111
100001.0001111
1111.0001111

⇒ Consider the following
only statement 1 is correct
only statement 2 is correct
both statements are correct
both the statements 1 and 2 are not correct

⇒ For the BJT shown in figure, β = 50, the value of V_CE
3.13 V
4.24 V
5.18 V
none

⇒ For an amplifier the input output signals are shown in figure. The class of amplifie
A
AB
B
C

⇒ When a 1 V increase in gate voltage changes the drain current 10 mA in an FET, its g_m equals
10 μμ
100 μμ
1000 μμ
10000 μμ

⇒ A 2 bit binary multiplier can be implemented using
2 inputs ANDs only
2 I/P XOR and 4 I/P AND gate only
two 2 inputs NORs and One XNOR gate
XOR gates and shift registers

⇒ A series resonant circuit has R = 10 Ω, L = 1 μH and C = 1 mF. If R is increased to 20 Ω the resonant frequency
increases
decreases
remains constant
may increases or decreases

⇒ A signal is x + f(t) where x is constant and f(t) is a power signal with zero mean value. The power of the signal is
x²
x² + f²(t)
more than x² + f²(t)
less than x² + f²(t)

⇒ Binary 1111 when subtracted from binary 11111 is
101110
10110
10000
100010

⇒ All other parameters remaining the same, a 3 phase bridge inverter with 180° mode of operation
has the same peak thyristor current as in 120° mode of operation
has higher peak thyristor current than in 120° mode of operation
has lower peak thyristor current than in 120° mode of operation
any of the above

⇒ A Hall effect transducer has K_H = - 1 x 10^-8. If B = 1 Wb/m², I = 3 A and bismuth slab is 2 mm wide, the Hall voltage is
-7.5 x 10^-6 V
-15 x 10^-6
-20 x 10^-4 V
-22.5 x 10^-4 V

⇒

Assertion (A): A Darlington amplifier has very low output impedance

Reason (R): The circuit has a low resistance R_E between emitter and ground

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

⇒

Assertion (A): If integral control action is included in the controller the offset can be eliminated.

Reason (R): Integral control action may lead to oscillatory response.

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
R is correct but A is wrong

⇒ In which of the following 8085 instructions is the 8 bit number in accumulator adjusted to form two four bit BCD numbers
DAD rp
DAA
DCX rp
ADC M

⇒ 8255 A is a
programmable peripheral interface
I/O device
memory chip
none of the above

⇒ For the wave shown in figure, the average valu
14.14 A
15 A
17.17 A
19.19 A

⇒ Consider the differential amplifier shown in figure. (Assume β is very hi
1 MΩ
100 kΩ
15 kΩ
≈ 0

⇒ In a purely resistive circuit the instantaneous power varies from zero to maximum twice in each cycle.
TRUE
FALSE

⇒ In push pull amplifier, each transistor conducts for
180°
360°
90°
45°

⇒ The capacitance of a capacitor is not affected by
area of plates
thickness of plates
∈_r
distance between plates

⇒ Which one of the following is not a characteristic of a ferroelectric material?
High dielectric constant
No hysteresis
Ferroelectric characteristic only above the curie point
Electric dipole moment

⇒ Which of the following operation are performed on linear queues?

Testing a linear queue for underflow
Enqueue operation
Dequeue operation
Testing a linear queue for overflow.

Select the correct answer using the codes given below the lists
1, 2 and 3
2, 3 and 4
1, 3 and 4
1, 2, 3 and 4