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 sinusoidal voltage is written as v = I_{m} (R^{2} + X_{C}^{2})^{0.5} sin 314 t. Its peak value and frequency are |

A. | I_{m} and 50 [Wrong Answer] |

B. | I_{m} (R_{2} + X^{2}_{C})^{0.5} and 50 [Correct Answer] |

C. | 0.707 I_{m} (R_{2} + X^{2}_{C})^{0.5} and 50 [Wrong Answer] |

D. | 2 I_{m} (R_{2} + X^{2}_{C})^{0.5} and 50 [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 :**

⇒ Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.

XYZ

X Y Z

X YZ + XY Z

XY + YZ + ZX

⇒ Consider the following statements

- Thermistor is more sensitive than platinum resistance thermometer
- The resistance of thermistor is solely a function of its absolute temperature whether the source of heat is external or internal
- Thermistor has linear temperature-resistance relationship
- Thermistor has linear negative temperature coefficient

1 and 2

3 and 4

1, 2, 3, 4

1, 2 and 4

⇒ The state equations are in the form

X = AX + BW

X = AX + Bu

X = AX + Bx

either (a) or (b)

⇒ The pole zero diagram of an impedance Z has a pole at

*s*= - 6 and zero at

*s*= - 4 as shown in figure the constant multiplier

*k*= 1. For a signal I

_{s}= cos 6

*t*, the steady state voltage across Z is given in magnitude as u

0.6

0.84

7.2

none

⇒ High speed logic circuits use

pulses with very small width

pulses with very large width

pulses whose width is neither small nor large

either (b) or (c)

⇒ In crystalline solids, atoms are stacked in a regular manner.

TRUE

FALSE

⇒ A constant

*k*low pass filter has

*f*

_{c}= 1000 Hz. At

*f*= 500 Hz, the phase shift is

p

zero

more than p

less than p

⇒ Directivity gain depends on

the distribution of radiated power in space

solid angle of the radiated field pattern

both (a) and (b)

none of the above

⇒ A unit step function is used to represent the closing a switch in a constant voltage system.

TRUE

FALSE

⇒ The colour of an object is decided by

the reflected colour

the wavelength transmitted through it

reflected colour for opaque object and wavelength transmitted through it for transparent objects

none of the above

⇒ DS directive in 8085

forces the assembler to reserve one byte of memory

forces the assembler to reserve a specified number of bytes in the memory

forces the assembler to reserve a specified number of consecutive bytes in the memory

none of the above

⇒ A circular polarizer converts a linearly polarized wave into a circularly polarised wave.

TRUE

FALSE

⇒ The Z inverse of the given Z transfor

Unit step

Unit ramp

Unit impulse

Unit parabola

⇒ In a backward wave oscillator the wave travelling along the line winds itself back and forth

TRUE

FALSE

⇒ 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

⇒ In a radio receiver with simple AGC

the highest AGC voltage is produced between stations

an increase in signal strength produces more AGC

the audio stage gain is normally controlled by AGC

the faster the time constant of AGC, more accurate the output

⇒ In fi

Wave A is lagging wave B by ∠θ

Wave A is leading wave B by ∠θ

Wave A is lagging wave B by ∠θ and the two waves have same rms values

Wave A is lagging wave B by ∠θ and the two waves have different rms values

⇒ In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?

TE

_{01}

TE

_{11}

TE

_{05}

TE

_{21}

⇒ Which type of fading causes serious distortion of modulated signal?

Selective fading

Interference fading

Absorption fading

Polarization fading

⇒ Which of the following is equivalent to

*x*?

x EX-OR 0

x EX-NOR 0

1 NOR x

x AND x

⇒ As the temperature of a pure silicon specimen is increased

the number of free electrons increases

the number of holes decreases

the number of holes increases

the number of free electrons and holes increases

⇒ Network transients are due to

circuit resistance

circuit voltage

changes in energy stored in L and C

circuit admittance

⇒ A certain network has two ideal voltages sources and a large number of ideal resistances. The power consumed in one of the resistances is 4 W when either of two sources is active and the other source is active and the other source is short circuited. When both sources is short circuited.When both sources are active, the power consumed in the same resistor would be

zero or 16 W

4 W or 8 W

zero or 8 W

8 W or 16 W

⇒ A 3 phase bridge inverter is fed by 400 V battery. The load is star connected and has a resistance of 10 Ω per phase. The peak value of load current is

40 A

20 A

0.416666666666667

0.208333333333333

⇒ In a waveguide the dielectric region is generally

air

magnetic material

brass

mica

⇒ In which of the following semiconductor are holes majority carriers

intrinsic

extrinsic

*p*type

*n*type

⇒ For the given truth table, the correct Boolean expressio

XYZ + X YZ + X Y Z

X Y Z + XYZ + X YZ

X Y Z + XYZ + XY Z

XYZ + XYZ + XY Z

⇒ Find the value of K and velocity constant K

*so that the maximum overshoot in the unit step response is 0.2 and the peak time is 1*

_{v}12.37, 0.175

12.86, 2.175

11.36, 1.175

1.86, 0.175

⇒ In a linear circuit, the superposition principle can be applied to calculate the

voltage and power

voltage and current

current and power

voltage, current and power

⇒ If

*h*

_{1}[

*n*] = 3δ[

*n*] + δ[

*n*- 1],

*h*

_{2}[

*n*] = 2δ[

*n*] + δ[

*n*

{6, 18, 7, 4, 0, - 6, 9}

{9, 0, - 6, 21, 7, 6, 1}

{7, - 1, 3, 1, 7, 0, 6}

{9, - 6, 0, 1, 21, 7, 18, 6}