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. | A pulse train with a 1 MHz frequency is counted using a 1024 modulus ripple counter using JK flip flops. The maximum propagation delay for each flip-flop should be |

A. | 1 μs [Wrong Answer] |

B. | 0.5 μs [Wrong Answer] |

C. | 0.2 μs [Wrong Answer] |

D. | 0.1 μs [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 thyristor has a turn on time of 6 μs. If the anode circuit is inductive, the turn on time will be

6 μs

less than 6μs

more than 6 μs

either 6 μs or less

⇒ Consider the following program for 8085

decimal 40

decimal 10

none of the above

⇒ In the given figure the reflected current wave after first reflectio

0.18 A

-0.18 A

0.3 A

-0.3 A

⇒ Twelve 1 Ω resistance are used as edges to form a cube. The resistance between two diagonally opposite corners of the cube is

5/6 Ω

1 Ω

6/5 Ω

3/2 Ω

⇒ Tuned voltage amplifiers are not used

in public address systems

in radio receivers

in television receivers for sound signals

in television receivers for video signals

⇒

Match the following:

List I (Modes) | List II (Characteristic) | ||
---|---|---|---|

A. | Evanescent | 1. | Rectangular waveguide does not support |

B. | Dominant mode | 2. | No wave propagation |

C. | TM_{10} and TM_{01} | 3. | Lowest cut-off frequency |

A-1, B-2, C-3

A-2, B-3, C-1

A-1, B-3, C-2

A-2, B-1, C-3

⇒ A reactance function is always a quotient of

even to odd polynomials

odd to even polynomials

even to odd or odd to even polynomials

even to even polynomials

⇒

**Assertion (A):** In control system velocity error is not an error in velocity but is an error in position due to a ramp input.

**Reason (R):** For a type of system velocity error is zero.

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 but R is wrong

R is correct but A is wrong

⇒ A quarter wave line short circuited at load end behaves as

an inductance

an inductance and capacitance in series

a capacitance

an inductance and capacitance in parallel

⇒ Which liquid crystal is used for LCD display?

Mercury

Pneumatic fluid

Aqua regia

Liquid boron

⇒ Which of the following microphones works on the principle of Faraday's law?

Carbon

Condenser

Moving coil

Electret

⇒ Some ceramic materials become superconducting

below liquid helium temperature

between liquid helium and liquid nitrogen temperature

above liquid nitrogen but below room temperature

at room temperature

⇒ The signal

*y*(

*t*) =

*x*(-

*t*) is __________ .

causal

non-causal

depends on

*x*(

*t*)

none of these

⇒

Match the following:

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

A. | Reactance theorem | 1. | Foster |

B. | Driving point impedance | 2. | Bartlett |

C. | Continued fraction expansion | 3. | Cauer |

D. | Bisection Theorem | 4. | Positive real function |

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

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

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

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

⇒ An RLC series circuit

resonant frequency is high

Q is high

bandwidth is large

Q is low

⇒ The circuit of the given figur

full adder

magnitude comparator

parity detector

none of the above

⇒ RS latch can be built with

NOR gates

NAND gates

NOR or NAND gates

none of the above

⇒ The load circuit of a single phase full bridge inverter

must be underdamped

must be overdamped

may be underdamped or overdamped

may be any type of load

⇒ The feedback control system shown in figure is stable for what values of K and

K < 0, T > - 1

K > 0, T > 0

K > 0, T > - 1

K < 0, T > 0

⇒ The discone antenna is

a useful direction finding antenna

used as a radar receiving antenna

useful as a UHF receiving antenna

circular polarized like other circularly antenna

⇒ From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier

gain bandwidth product

slew rate

upper 3 dB frequency

lower 3 dB frequency

⇒ If the mantissa has a sign bit of 0 and the exponent is changed from a negative number to a more positive number the result is

a positive number and closer to zero

a positive number and away from zero

a negative number

a negative number and closer to zero

⇒ The I/P impedance of a short circuited quarter wave long transmission line is

purely reactive

purely resistive

depend on the characteristic impedance of the line

none of the above

⇒ A MOD - 2 counter, the FF has a

*t*= 60 nsec. The NOR gate has a

_{pd}*t*of 30 nsec. The clock frequency is

_{pd}37 MHz

40 MHz

111 MHz

none

⇒ Which of the following is the common feature between FETs and bipolars?

Have low input impedance

Have low voltage gain

Are difficult to bias

None of them

⇒ A full wave diode rectifier using centre tapped transformer has diodes with forward resistance of 50 ohms each. The load resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulation is

0.2

0.5

1

2

⇒ Which of the following represents the decimal form of binary 0.0111?

0.16

0.22728

0.9375

0.7964

⇒ If a line having Z

_{0}= 300 ∠ 0 W is open circuited at far end, VSWR is

0

1

∞

2

⇒ In which configuration is ac collector voltage zero?

CE

CB

CC

none of the above

⇒ If A = 3 +

*j*1 and B = 4 +

*j*3, A + B =

7 ∠45°

10 ∠45°

8.062 ∠29.7°

8.062 ∠73°