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Q1. | High intermediate frequency in a superheterodyne receiver |

A. | higher than [Correct Answer] |

B. | lower than [Wrong Answer] |

C. | equal to [Wrong Answer] |

D. | not comparable to [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 :**

⇒ If the voltage across the last resistor is V, and all the resistor is unity. Then V

_{s}is give

8 V

4 V

13 V

0

⇒

**Assertion (A):** Negative feedback reduces the gain of an amplifier

**Reason (R):** Negative feedback is very commonly used in amplifier circuits

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

⇒ The forbidden band in semiconductors is of the order of

6 eV

1 eV

10 eV

0.01 eV

⇒ In mode filter of the given figure which of the following modes is unaffe

TE

_{01}

TE

_{10}

TE

_{11}

all TM

⇒

**Assertion (A):** In intrinsic semiconductors, the charge concentration increases with temperature.

**Reason (R):** At higher temperatures, the forbidden energy gap in semiconductors is lower.

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

⇒ If a function Z(

*s*) has a pole at infinity, then

the degrees of numerator and denominator are equal

the degree of numerator is one higher than that of denominator

the degree of denominator is one higher than that of numerator

the difference between the degrees of numerator and denominator is 0 or 1

⇒

Match the following:

List I (Symbol in java) | List II (Meaning) | ||
---|---|---|---|

A. | & | 1. | Logical AND |

B. | ˆ | 2. | AND |

C. | | | | 3. | XOR |

D. | & & | 4. | Logical OR |

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

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

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

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

⇒ The number of interrupt lines in 8085 is

2

3

4

5

⇒ An input voltage V(

*t*) = 10 2 cos (

*t*+ 10°) + 10 3 cos (2

*t*+ 10°)

*V*is applied to a series combination of resistance R = 1 kΩ inductance L = 1H. The resulting steady-state current

*i*(

*t*) in ampere is

10 cos (

*t*+ 55°) + 10 cos (2

*t*+ 10° tan

^{-1}2)

10 cos (

*t*+ 55°) + 103/2 cos (2

*t*+ 55°)

10 cos (

*t*- 35) + 10 cos (2

*t*+ 10° - tan

^{-1}2)

10 cos (

*t*- 35) + 103/2 cos (2

*t*+ 35°)

⇒ Pick out the odd one

stochastic variable

stochastic function

random variable

random experiment

⇒ The power required to produce a gain of 10 dB over 4 W of original power is __________ watt.

80

40

0.4

8

⇒ A conductor is said to be perfect if it has __________ conductivity

finite

infinite

unity

zero

⇒ The reduced form of the func

A(C D + E F + D E) + D E

(A + C + D + E)(D + E + F)

(C + D + E + A)(A + D + E + F)

A C D + A E F + A(D ⊕ E)

⇒ DC ampere hour meter is an indicating instrument.

TRUE

FALSE

⇒ If

*e*= 110 sin (ω

*t*+ p/3) and

*i*= 5 sin (ω

*t*- p/3), the impedance of the circuit is

22 Ω

16 Ω

30.8 Ω

11 Ω

⇒ Which is correct with respect to computer memory?

Only a particular address can have a particular memory

Any address can have any memory

To read a word from computer memory, it is not necessary to specify a location

None of the above

⇒ In 8085 microprocessor, the interrupt enable flip-flop is reset by

DI instruction only

system RESET only

interrupt acknowledgment only

all of the above

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | IF noise | 1. | Ganged tuning |

B. | Image frequency | 2. | Spurious response |

C. | Station selector | 3. | Leaky filter capacitor |

D. | Excessive Hum | 4. | Mixer stage |

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

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

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

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

⇒ In a self bias circuit for CE amplifier the collector supply voltage is made twice. The collector current will

decrease

increase

remain the same

increase or decrease

⇒ In TV broadcast, UHF range is

606 - 790 MHz

100 - 150 MHz

41 - 68 MHz

174 - 230 MHz

⇒ The material used for fuse must have

low melting point and low specific resistance

low melting point and high specific resistance

high melting point and low specific resistance

none

⇒ The signal to noise ratio in telemetry should be better than

5 db

10 db

25 db

60 db

⇒ Consider the following instruction of 8085 μp :

- MOV M, A
- AODC
- MVI A, FF
- CMP M

1 and 2

1, 2 and 3

3 and 4

2 and 4

⇒ The configuration of figure

Hartley oscillator

Precision Integrator

Wienbridge oscillator

Butterworth high pass filter

⇒ In the circuit of figure, PIV can be u

E

_{m}

2 E

_{m}

0.5 E

_{m}

2 E

_{m}

⇒ Soft iron is suitable for making temporary magnets.

TRUE

FALSE

⇒ Consider a silicon p-n junction at room temperature having the following paramet

0.15 MV.com

^{-1}, directed from

*p*-region to

*n*-region

0.15 MV.com

^{-1}, directed from

*n*-region to

*p*-region

1.80 MV.com

^{-1}, directed from

*p*-region to

*n*-region

1.80 MV.com

^{-1}, directed from

*n*-region to

*p*-region

⇒ The multiplication of two

*n*bit numbers gives a product of length less than or equal to

*n*bits

2

^{n}bits

2

*n*bits

2

^{n}- 1 bits

⇒ The output V-I characteristics of an Enhancement type MOSFET has

only an ohmic region

only a saturation region

an ohmic region at low voltage value followed by a saturation region at higher voltages.

an ohmic region at large voltage values. Preceded by a saturation region at lower voltages.

⇒ In the vacuum diode equation

*i*

_{b}=

*ke*

_{b}

^{1.5}, the current is

temperature limited current

space charge limited current

any of the above

none of the above