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 low pass filter characteristic shown in figure realiza |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct 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 :**

⇒ A video monitor is exactly similar to TV receiver.

TRUE

FALSE

⇒ If eddy current damping is to be used, the disc of instrument should be

non-conducting and non-magnetic

conducting and magnetic

conducting and non-magnetic

non-conducting and magnetic

⇒ 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

⇒ Find 'X' in the circuit be

∏(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15)

0

Σ(14)

1

⇒ The name modem is a contraction of terms modulator demodulator.

TRUE

FALSE

⇒ Two impedances 10 -

*j*10 and 10 +

*j*10 are connected in parallel. Their combined impedance is

5 +

*j*5

5 -

*j*5

10 +

*j*0

20 -

*j*10

⇒

**Assertion (A):** Demorgan's first theorem replaces a NOR gate by bubbled AND gate.

**Reason (R):** Double complement of a variable equals the variable.

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

⇒ In the circuit of figure, Thevenin's resistance is 10 &

25 Ω

10 Ω

13.33 Ω

6 Ω

⇒

*h*parameters are used in transistor analysis.

TRUE

FALSE

⇒ The use of microprocessor control in automobiles results in

improved fuel economy

improved car control

advanced information system for driver

all of the above

⇒ Three cascaded stages have gains of 10, 20 and 25. The overall gain will be

10

55

500

5000

⇒ An LED has a rating of 2 V and 10 mA. It is used along with 6V battery. The range of series resistance is

0 to 200 Ω

200 - 400 Ω

200 Ω and above

400 Ω and above

⇒ Which statement is true for an ac circuit?

Active power is always less than apparent power

Active power cannot be more than apparent power

Active power is always more than reactive power

Active power cannot be more than reactive power

⇒ The main advantage of DM over PCM is

less bandwidth

less power

simple circuit

better S/N ratio

⇒ (s

*I*- A)

^{-1}is equal to

*adj*(

*sI*- A)/

*det*(

*sI*- A)

*det*(

*sI*- A)/

*adj*(

*sI*- A )

[

*adj*(

*sI*- A)] [

*det*(

*sI*- A)]

none of the above

⇒ Which of the following is not a proper FORTRAN expression?

B + A / C - D

(A + C) / (B + D)

B + * A / C

A ** (B + 2)

⇒ In the circuit of figure β = 50 and V

_{BE}= 0.5 V. The quiescent value of base current I

_{Babout 28 μAabout 28 mAabout 0.28 μAabout 2.8 A}

⇒ In radar systems PRF stands for

Power Return Factor

Pulse Return Factor

Pulse Repetition Frequency

Pulse Response Factor

⇒ The resistance of a photoconductor

increases with increase in light intensity

decreases with increase in light intensity

may increase or decrease with increase in light intensity

remains constant

⇒ The current through common emitter resistor of a differential amplifier is called

differential current

emitter current

ground current

tail current

⇒ In the wheatstone bridge in figure, each resistance is increased by 0.05%. The value of v

_{0}will

50 mV

5 mV

0.1 mV

zero

⇒ In amplitude modulation, carrier signals A cos ω

*t*has its amplitude A modulated in proportion with message bearing (low frequency) signal

*m(t)*. The magnitude of

*m(t)*is chosen to be __________ .

less than 1

less than or equal to 1

more than 1

none of these

⇒ Conductivity is measured in terms of

mho/metre

ohm/metre

mho/metre

^{2}

ohm/metre

^{2}

⇒

Match the following:

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

A. | R = 0 | 1. | Undamped oscillation |

B. | R < 2 L/C | 2. | Damped oscillation |

C. | R = 2 L/C | 3. | Critically damped response |

D. | R > 2 L/C | 4. | Non-oscillatory response. |

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

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

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

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

⇒ In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.

less than 20°

more than 20°

equal to 20°

equal to or more than 20°

⇒ Bellows converts

pressure difference into displacement

pressure difference into voltage

displacement into pressure difference

either (a) or (c)

⇒ At midband frequencies the coupling capacitor in RC coupled CE amplifier may be considered as

open circuit

short circuit

a reactance equal to load resistance

none of the above

⇒ An ac network has two sources of the same frequency. The currents in one branch when the sources act independently are 10 ∠30° A and 10 ∠60° A. When both sources act, the current in the branch should be

19.32 ∠45°

15 ∠45°

20 ∠45°

zero

⇒ Final value theorem is used to find

steady state value of system output

initial value of output

transient beaviour of output

none of these

⇒ The signumm function written as [

*sgn(*] is defined as

*t*)*sgn(t)*= - 1 for

*t*< 0, = 0 for

*t*= 0 and = 1 for

*t*> 0

*sgn(t)*= 1 for

*t*< 0, = 0 for

*t*= 0 and = - 1 for

*t*> 0

*sgn(t)*= 0 for

*t*< 0, = 1 for

*t*= 0 and = 0 for

*t*> 0

*sgn(t)*= 0 for

*t*< 0, = 1 for

*t*

^{3}0