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Q1. | Loudness control gives |

A. | high boost to bass and little boost to treble [Correct Answer] |

B. | equal boost to bass and treble [Wrong Answer] |

C. | less boost to bass and more boost to treble [Wrong Answer] |

D. | less boost to both bass and treble [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The early effect in a BJT is caused by

fast turn on

fast turn off

large collector base reverse bias

large emitter base forward bias

⇒ Damping ratio =

actual resistance/critical resistance

critical resistance/actual resistance

critical resistance

none of the above

⇒ In pulse code modulation, if the signal is sampled at the rate of

*f*and the number of pulses in one code group is

*p*, then the number of pulses per second will be

*p*/

*f*

*f*/

*p*

1/

*pf*

*pf*

⇒ Which one of the following theorem can be conveniently used to calculate the power consumed by the 10 Ω resistor in the network shown in the above fig

Thevenin's theorem

Maximum power transfer theorem

Millman's theorem

Superposition theorem

⇒ Which of the following quantities have same dimension in

*emu*and

*esu*?

- Current
- Electrical power
- Electrical energy

1 only

1 and 2

2 and 3

1 and 3

⇒ Examine the following statements

- Pneumatic systems are fire proof.
- Pneumatic systems are explosion proof.
- Hydraulic systems are explosion proof.
- Hydraulic systems are fire proof.

1 only

1 and 2 only

1 2, 3, 4

2, 3, 4 only

⇒ Typical values of voltage gain for CE, CB and CC amplifiers are

100, 100 and 1 respectively

100, 1 and 100 respectively

100, 1 and 1 respectively

1, 100 and 100 respectively

⇒ The frequency at which phase angle is 180° is called

phase crossover frequency

stability limit frequency

frequency of limited stability

gain margin frequency

⇒ Auto correlation function

is an even function of t

is an odd function of t

may be an even or odd function of t

is both an odd and even function of t

⇒ A certain sound has 10000 times more energy than another sound. The number of times it would sound stronger to a listener is

40

10000

100

10

⇒ The number of computer viruses is some thousands.

TRUE

FALSE

⇒ The number of valence electrons in trivalent impurity is

5

4

3

1

⇒ A frequency multiplier stage should operate as

class A

class AB

class C

either of the above

⇒ The direction in a Yagi Uda antenna is longer than the radiating element.

TRUE

FALSE

⇒ The Boolean function/implemented in the figure using two I/P multiplexer

ABC + ABC

ABC + AB C

ABC + ABC

ABC + AB C

⇒ The energy of one quantum of light equal to

*hf*.

TRUE

FALSE

⇒ An electrostatic voltmeter is suitable for

low voltage at high frequency

high voltage

low voltage at low frequency

all ac and dc voltages

⇒ Armstrong F.M. transmitter performs frequency multiplication in stages

to increase the overall S/N

for convenience

to reduce the bandwidth

to find the desired value of carrier frequency with frequency deviation

⇒ If the p and T circuits in figure are equivalent, then R

_{1}, R

_{2}, R

_{3}respectively

9 Ω, 6 Ω, 6 Ω

6 Ω, 6 Ω, 9 Ω

9 Ω, 6 Ω, 9 Ω

6 Ω, 9 Ω, 6 Ω

⇒ Consider the following expressions which indicate the step or impulse response of an initially relaxed system

- [5 - 4
*e*^{-2t}]*u*(*t*) - [
*e*^{-2t}+ 5]*u*(*t*) *d*(*t*) + 8*e*^{-2t}*u*(*t*)*d*(*t*) + 4*e*^{-2t}*u*(*t*)

1 and 3

1 and 4

2 and 4

2 and 3

⇒ In a transistor amplifier, the reverse saturation current I

_{CO}

Doubles for every 10°C rise in temperature

Doubles for every 20°C rise in temperature

Increase 100°C with temperature

Doubles for every 5°C rise in temperature

⇒ The circuit shown in figure will ac

differentiator

adder

clipper

clamper

⇒

**Assertion (A):** Resistivity of a perfect single crystal of a metal goes to zero as T approaches zero.

**Reason (R):** Scattering of electrons is due to deviations from perfect periodicity of lattice.

Both A and R are true and R is correct explanation of A

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

A is true but R is false

A is false but R is true

⇒ One ampere means the flow of

One coulomb each minute

One electron per second

One coulomb per second

One coulomb each hour

⇒ In which function is each term known as minterm?

SOP

POS

Hybrid

Both SOP and POS

⇒ If N bits are lumped together to get an N-bit symbol, the possible number of symbols is

2

^{N}

2

^{N - 1}

2

^{N - 2}

2

^{N - 4}

⇒ For an RC admittance function Y, the slope

*d*Y/

*d*σ

is positive

is negative

may be positive or negative

0

⇒ A loop antenna may be of

square on triangular shape

hexagonal shape

circular shape

any of the above

⇒ The Gain margin for the system with open loop transfer functi

∞

0

1

-∞

⇒ An unmodulated voltage 10

*V*effective is applied to a dioxide detector in which load resistance is 4 x 10

^{-5}ohms. A micrometer shows that the rectified DC current in this resistance is 30

*A*. The input resistance of the detector is

114 kW

336 kW

384 kW

455 kW