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Q1. | The purpose of impedance matching in an amplifier circuit is to achieve |

A. | high efficiency [Wrong Answer] |

B. | reduce distortion [Wrong Answer] |

C. | maximum power transfer [Correct Answer] |

D. | none of the above [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ A machine cycle has one clock cycle.

TRUE

FALSE

⇒ When two port networks are connected in cascade, it is more convenient to use hybrid parameters.

TRUE

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⇒ Which type of fading causes serious distortion of modulated signal?

Selective fading

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Polarization fading

⇒ A single phase series converter is used for

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high current output

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improving the circuit efficiency

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total transmitted power, bandwidth

bandwidth, bandwidth

bandwidth, total transmitted power

total transmitted power, sideband power

⇒ Which one of the following power amplifier has the maximum efficiency?

Class A

Class B

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⇒ Consider the following statements

- Usable bandwidth of ridge wave guide is more than that of rectangular waveguide.
- For a given value of TM
_{10}cutoff frequency the cross section of ridge wave guide is lesser that that of rect angular waveguide. - Ridge wave guide has higher conductor losser than a rectangular waveguide.
- Ridge guide has higher conductor losser than a rectangular waveguide.

1 and 2 only

1, 2 and 3 only

2 and 3 only

All

⇒ Higher value of ripple factor indicates

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ideal rectification

r.m.s. value to peak value

none of the above

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⇒ The essential condition for antenna array to be linear is that

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individual antennas of the array must be equally spaced along a straight line

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none of the above

⇒ In 8086 the number of lines on which data and address is multiplexed is

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⇒ A function Z(

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the denominator of Z(

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⇒ In the diode circuit shown in figure the diodes are ideal. The impedance seen by source is

1 k ohm

2 k ohm

0.5 k ohm

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⇒ The most serious problems in ac bridge measurement is

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leakage current

residual magnetism

stray fields

⇒ Thermal noise is independent of

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centre frequency

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memory and data memory are clearly distinguished

data and instructions are distinguished at the first stage

none of the above

⇒ Turn off time of a transistor switch is equal to (where

*t*

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*t*

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*t*

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⇒ The circuit of the given figure realizes the func

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junction capacitive effects

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⇒ In figure, the short circuit current through terminal AB wil

1.5 A

0.125

0.0833333333333333

0.0416666666666667

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⇒ An input voltage V(

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*i*(

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*t*+ 55°) + 103/2 cos (2

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none of the above

⇒ A rectangular waveguide measures 3 x 4.5 cm internally and has a 10 GHz signal propagated in it. Calculate the wave impedance for dominant mode.

130 p

1.3 p

120 p

12 p

⇒ In metals, the flow of current is due to

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ions

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∪(

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1

δ(

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^{j2pt}

⇒ Almost all high level languages have provision for logical operations.

TRUE

FALSE

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