Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | The circuit given below |

A. | Band stop filter [Wrong Answer] |

B. | Band pass filter [Correct Answer] |

C. | Oscillator circuit [Wrong Answer] |

D. | All pass filter [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss 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 number of protons in a silicon atom are

4

8

12

14

⇒ A lossless transmission line is 50 cm long and operates at a frequency of 500 MHz. Inductance and capacitances present in a line are 0.5 μH/m and 200 pF/m. Phase constant and phase velocity are respectively.

5p, 2p x 10

^{8}m/sec

5p, 10

^{8}m/sec

31.4, 10

^{8}m/sec

31.4, 2p x 10

^{8}m/sec

⇒ In TE

_{10 }mode the largest electric field in a rectangular wave guide, occurs

along centre line of broad wall (

*i*.

*e*.

*x*=

*a*/2)

along the broad wall (

*i*.

*e*.

*x*= 0 and

*x*=

*a*)

either (a) or (b)

neither (a) nor (b)

⇒ In which of the following semiconductor are holes minority carriers

extrinsic

*p*type

*n*type

intrinsic

⇒ Zero mean Gaussian noise of variance N is applied to a half wave rectifier. The mean squared value of the rectified output will be

0

N/2

N/2

N

⇒ A square corner reflector is used in

radio astronomy

tv broadcast

point to point communication

all of the above

⇒ If the op-amp in figure has a unity gain frequency of 1 MHz, the cut off frequenc

100 kHz

1 MHz

10 MHz

90 MHz

⇒ If V

_{dc1}is the dc output voltage in half wave controlled rectifier circuit feeding resistive load and V

_{dc2}is the dc output voltage in full wave controlled rectifier circuit (M - 2 connection) feeding resistive load, then

V

_{dc1}= 0.5 V

_{dc2}for all values of firing angle

V

_{dc1}= V

_{dc2}for all values of firing angle

V

_{dc1}≤ 0.5 V

_{dc2}for all values of firing angle

V

_{dc1}≥ 0.5 V

_{dc2}for all values of firing angle

⇒ In case of synchro error detector the electrical zero position of control transformer is obtained when angular displacement between rotors is

zero

45°

90°

180°

⇒ A capacitor used for power factor correction is single phase circuit decreases

power factor

line current

both line current and p.f.

the line current and increases p.f.

⇒ A dc machine has 6 poles all connected in series. Each pole has 9 H inductance and field current is 2 A. Total inductance and total energy stored are

9 H and 18 J

18 H and 36 J

54 H and 108 J

108 H and 216 J

⇒ For measuring mutual inductance we can use

Anderson bridge

Maxwell's bridge

Heaviside bridge

Either (a) or (b)

⇒ In a metal the probability of a state 0.1 eV below Fermi level being occupied

is more than the probability of state 0.1 eV above Fermi level being occupied

is the same as the probability of state 0.1 eV above Fermi level being occupied

is less than the probability of state 0.1 eV above Fermi level being occupied

may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

⇒ The pre-emphasis in FM aids in providing extra noise immunity by

emphasizing only the higher frequency components

emphasizing the entire frequency band

emphasizing only the lower frequency band

cutting down the low frequency noise

⇒ Baudot code is a six bit code.

TRUE

FALSE

⇒ If

*x*= 0.1396 radians, the values of 1 - cos

*x*and 2 sin

^{2}(x / 2) using floating point arithmetic with a 4 digit mantissa are respectively

.1000 E - 1 each

.9727 E - 2 each

.1000 E - 1 and .9727 E - 2 respectively

.9727 E - 2 and .1000 E - 1 respectively

⇒ Which one of the following is the correct statement? The region of convergence of

*z*transform of

*x*[

*n*] consists of the values of

*z*for which

*x*[

*n*]

*r*

^{-n}is

absolutely integrable

absolutely summable

unity

< 1

⇒ 39.12

_{10}= __________

_{10}

10111.0001111

100011.0001111

100001.0001111

1111.0001111

⇒ In a parallel inverter

the commutating capacitor C is across the primary of transformer and the load is across the secondary

the commutating capacitor and load are connected across the secondary of transformer

the commutating capacitor C and load are connected in series and the combination is across the secondary of transformer

none of the above

⇒ Which memory requires periodic recharging?

All ROMS

All RAMS

Static RAM

Dynamic RAM

⇒ In an FM signal, the modulating frequency is 2 kHz and maximum deviation is 10 kHz. The bandwidth requirement is

2 kHz

10 kHz

5 kHz

32 kHz

⇒ A Hartley oscillator uses

a tapped capacitor

a tapped inductor

a tapped inductor for inductive feedback

none of the above

⇒

Match the following:

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

A. | R_{T} | 1. | A = D |

B. | R_{h} | 2. | h_{12} = h_{21} |

C. | S_{T} | 3. | AD - BC = 1 |

D. | S_{h} | 4. | h_{21} = - h_{21} |

5. | B = C | ||

6. | Δh = 1 |

A-3, B-4, C-1, D-6

A-3, B-2, C-5, D-4

A-5, B-4, C-1, D-2

A-5, B-4, C-1, D-6

⇒ Which of the- following display consumes least amount of power?

LCD

LED

Fluorescent display

All display consume same power

⇒ In a positive-edge-triggered JK flip-flop, a low J and a low K produce __________ state. A high __________ on the rising edge of the clock.

inactive, reset

active, reset

active, toggle

inactive, toggle

⇒ The inductance of a twin feeder used to connect antenna to TV receiver is about

0.2 μ H/m

0.6 μ H/m

1.6 μ H/m

10 μ H/m

⇒ The maximum power handling capacity of a resistor depends on

total surface area

resistance value

thermal capacity of the resistor

resistivity of the material used in the resistor

⇒ The two-transistor model of a thyristor consists of two transistors :

one

*n*-

*p*-

*n*and other

*p*-

*n*-

*p*

both

*p*-

*n*-

*p*

both

*n*-

*p*-

*n*

one

*n*-

*p*-

*n*and other UJT

⇒

**Assertion (A):** The 'do while' statement is used less frequently than the 'while' statement.

**Reason (R):** For most applications it is more natural to test for continuation of loop at the beginning than at the end of loop.

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 R is wrong

A is wrong R is correct

⇒ Binary 101010 is equivalent to decimal number

24

42

44

64