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 device 'one shot' has |

A. | two stable states [Wrong Answer] |

B. | one stable state [Correct Answer] |

C. | either 1 or 2 stable states [Wrong Answer] |

D. | no stable state [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 :**

⇒ Which of the following statements is written in plain English in 8085?

Data definition

Assignment

Conditional

Repetitive

⇒ For the logic circuit of the given figure the simplified Boolean expressio

Y = AB + A C

Y = (AB) (A C)

Y = ABC

Y = A B + A C

⇒ Which of the following statement is false?

A stationary process is always a ergodic process

A ergodic process is always a stationary random process

It is possible to have a stationary random

None of the above

⇒ A string of series connected thyristors needs equalising circuit to

ensure proper firing

ensure proper current division

ensure proper voltage division

none of the above

⇒ A full adder adds

2 bits

3 bits

4 bits

any number of bits

⇒ The characteristic equation of a closed loop system is (

*s*+ 2) (

*s*+ 3) + K = 0. The centroid of the asymptotes in root locus is:

2.5

-2.5

0.5

-0.5

⇒ In the NMOS inverter

the driver and achieve load are enhancement type

the driver is enhancement type and load depletion type

both driver and load are depletion type

the driver and load are depletion type

⇒ Which among the following waveforms can be reconstructed from its samples without distort

1 and 2

2 and 3

1 and 3

Only 2

⇒ A 3 phase dual converter consists of

two 3 phase semiconverters connected in parallel

two 3 phase semiconverters connected in antiparallel

two 3 phase full converters connected in antiparallel

two 3 phase full converters connected in parallel

⇒ How many number of branches the root loci of the equation

*s*(

*s*+ 2)(

*s*+ 3) + K(

*s*+ 2) = 0 have?

Zero

One

Two

Three

⇒ Which of the following rotors are used in two phase ac servomotor?

- Solid iron rotor
- Squirrel cage rotor
- Drag cup rotor

1, 2, 3

1, 2

2, 3

1, 3

⇒ MCVF telegraphy causes

SSB techniques

pulse modulation

Out of bond signalling

FM

⇒ The circuit shown in the figure, with R = 1/3 Ω, L = 1/4H, C = 3F has input voltage

*v*(

*t*) = sin2

*t*. The resulting current

*i*(

*t*

5 sin (2

*t*+ 53.1°)

5 sin (2

*t*- 53.1°)

25 sin (2

*t*+ 53.1°)

25 sin (2

*t*- 53.1°)

⇒

**Assertion (A):** When a PID controller is added to a system, the peak overshoot to step input cannot be determined easily.

**Reason (R):** Use of PID controller introduces a zero in the forward path.

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

⇒ Which one of the following cannot be used to remove the unwanted sideband in SSB?

Balanced modulator

Phase shift method

Filter system

Third method

⇒ Permeability is analogous to

resistivity

retentivity

conductivity

coercivity

⇒ An SCR is triggered at 40° in the positive half cycle only. The average anode current is 50 A. If the firing angle is changed to 80°, the average anode current is likely to be

50 A

25 A

less than 50 A but more than 25 A

less than 25 A

⇒ A parallel in-parallel out shift register can be used to introduce delay in digital circuits.

TRUE

FALSE

⇒ Low gain-bandwidth product of a JFET is due to

reduced number of holes

junction capacitive effects

low degree of isolation between input and output

all of the above

⇒ At a temperature of 7 K, lead is a superconductor.

TRUE

FALSE

⇒ The slew rate of an ideal op-amp is

very slow

slow

fast

infinitely fast

⇒ Padders are used in a receiver to

discard the carrier

facilitate tracking

filter the input signal

suppress noise

⇒ The characteristic impedance of coaxial cable is about

1000 ohm

500 ohm

250 ohm

75 ohm

⇒ A single phase electric heater uses phase controlled thyristors. The firing angle is 90°. The degree of heating is

25% of maximum

50% of maximum

75% of maximum

none of the above

⇒ The maximum phase difference between the applied voltage and current in a RLC series current with finite values of R, L, C, and

*f*can be

less than 90°

less than 45°

180°

30°

⇒ 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

⇒ Figure shows a Wheatstone bridge with RTD to one arm. If resistance of RTD = 1020 Ω, the voltage V

_{0}

49 mV

51 mV

48 mV

45 mV

⇒ Which of the following is a valid integer constant?

17

-18.58

101.14

-810

⇒ Which of the following is a vector quantity?

Standing wave ratio

Reflection coefficient

Gain

All of the above

⇒ Which of the following instruments is used almost exclusively to measure radio frequency currents?

Moving coil

Rectifier

Moving iron

Thermocouple