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Q1. | A switch tail ring counter is made by using a single D FF. The resulting circuit is a |

A. | SR FF [Wrong Answer] |

B. | JK FF [Wrong Answer] |

C. | D FF [Correct Answer] |

D. | T FF [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒ In a biased limiter the clipping level can be adjusted by adjusting the voltage of battery.

TRUE

FALSE

⇒ Two CE stages, 1 and 2 are coupled through a capacitor. V

_{CC}is the same for both. Base resistances R

_{B1}and R

_{B2}are such that R

_{B1}> R

_{B2}. Then

base currents for both stages are equal

base current of stage 1 is more than that of stage 2

base current of stage 2 is more than that of stage 1

either (b) or (c)

⇒ If

*x*

_{1}(

*t*) = 2 sin p

*t*+ cos 4 p

*t*and

*x*

_{2}(

*t*) = sin 5 p

*t*+ 3 sin 13 p

*t*then

*x*

_{1},

*x*

_{2}both periodic

*x*

_{1}

*x*

_{2}both not periodic

*x*

_{1}periodic,

*x*

_{2}not periodic

*x*

_{1}is not periodic ; but

*x*

_{2}is periodic

⇒ Which of the following are universal gates?

- NAND
- NOR
- XOR

1 and 2 only

1 and 3 only

2 and 3 only

1, 2 and 3

⇒ The advantage of LVDT over inductive bridge type transducer is that

it gives high output for small changes in core position

it can be used over a temperature range of - 265°C to 600°C

it can measure displacement of moving object

the error due to stray magnetic field is less

⇒ Which op-amp circuit uses a diode as one of the circuit components?

Integrating amplifier

Differentiating amplifier

Logarithmic amplifier

Summing amplifier

⇒ A meter has a resistance of 1 Ω and full scale deflection current of 1 mA. To convert into an ammeter of 1 A range, the shunt resistance should be

1000 Ω

1 Ω

0.01 Ω

0.001 Ω

⇒ Which of the following exhibits negative resistance in a portion of its characteristics?

Tunnel diode

Zener diode

JFET

MOSFET and tunnel diode

⇒ For frequencies upto 1650 kHz __________ antenna is used

yagi

grounded

turnstile

marconi

⇒ For an

*m*x

*n*matrix A, the eigen values are the roots of the characteristic equation

|I - A|

|λI - A| = 0

|λA - I| = 0

|A - I| = 0

⇒ Which of the following is not a travelling wave?

*e*= E

*sin (β*

_{m}*x*- ω

*t*)

*e*= E

*cos (β*

_{m}*x*- ω

*t*)

*e*= E

*sin (ω*

_{m}*t*- β

*x*)

*e*= E

*sin (β*

_{m}*x*)

⇒ The number of channels in a stereophonic system is

8

4

2

1

⇒ In 8085 microprocessor, what is the length of IR (instruction register)?

6 bits

8 bits

12 bits

16 bits

⇒ Modem warfare has changed from large scale clashes of armies to suppression of civilian populations. Chemical agents that do their work silently appear to be suited to such warfare; and regretfully, there exist, people in military establishments who think that chemical agents are useful tools for their cause, which of the following statements best sums up the meaning of the above passage:

Modem warfare has resulted in civil strife.

Chemical agents are useful in modem warfare.

Use of chemical agents in warfare would be undesirable.

People in military establishments like to use chemical agents in war.

⇒ In the self biasing scheme (R

_{F}across collector to base) of BJT, S

_{1}tends to unity by __________ R

_{C}is the collector load Resistance.

increasing R

_{F}

decreasing R

_{F}

decreasing R

_{F}and increasing R

_{C}

increasing R

_{F}and decreasing R

_{C}

⇒ When a dc chopper feeds an RLE load, the load current, during steady state operation

remains constant

varies between maximum and minimum values

may remain constant or vary

is constant if R is constant

⇒ Two voltmeters 0-250 V each having resistances of 5 kΩ and 10 kΩ respectively and are connected in series. To ensure that neither of them goes beyond scale the total voltage which can be applied should be less than

500 V

400 V

375 V

250 V

⇒ If

*a*and

*b*are the dimensions of waveguide then

*a*= 3

*b*

*a*= 2

*b*

*a*=

*b*

*a*=

*b*/4

⇒ In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is

0.25

0.33

0.5

1

⇒ A discrete random variable X takes values from 1 to 5 with probabilities as shown in the table. A student calculates the mean of X and 3.5 and her teacher calculates the variance of X as 1.5. Which of the following statements is t

Both the student and the teacher are right

Both the student and the teacher are wrong

Both the student is wrong but the teacher is right

The student is right but the teacher is wrong

⇒ A good dielectric should have

low losses

good heat conductivity

high intrinsic strength

all of the above

⇒ In a full bridge inverter, the waveshape of load current depends on

relative values of load parameters R, L and C

relative values of load parameters R and L

relative values of load parameters L and C

gating frequency

⇒ If quadratic equation

*x*

^{2}- 1000

*x*+ 25 = 0 is solved using floating point arithmetic with 4 digit mantissa, the roots are

.1000 E 4 and .1000 E 4 respectively

.0000 E 4 and .0000 E 4 respectively

.1000 E 4 and .0000 E 4 respectively

None of the above

⇒ For a sinusoidal input, the circuit shown in the figure will act

Pulse generator

Full wave rectifier

Ramp generator

Voltage Doubler

⇒ Data from a satellite is received in serial form (1 bit after another). If this data is coming at a 5 MHz rate and if the clock frequency is 5 MHz how long will it take to serially load a word in a 32-bit shift register?

1.6ms

3.2ms

6.4ms

12.8ms

⇒ A carrier is simultaneously modulated by two sine waves having modulation indices of 0.4 and 0.3. The total modulation index will be

0.1

0.7

0.5

0.35

⇒ In figure, the position of voltmeter and ammeter are exchanged. It may result in damage

both the instruments

ammeter

voltmeter

neither of two

⇒ A capacitor whose capacitance C

_{t}= C

_{0}(1- cos ω

*t*) is fed by a sinusoidal voltage

*v*= V

_{0}sin ω

*t*. The equation for current

*i*is

ω C

_{0}V

_{0}cos ω

*t*

ω C

_{0}V

_{0}sin ω

*t*

ω C

_{0}V

_{0}(cos ω

*t*- cos

^{2}ω

*t*)

none of the above

⇒ On the basis of the type of chemical bonds, solids may be classified into

ionic crystals

ionic and valence crystals

ionic crystal, valence crystals and metals

ionic crystals, valence crystals, metal and vander wall crystals

⇒ In a cascade amplifier, the intermediate stages are always in

CC configuration

CB configuration

CE configuration

any of the above