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. | In the given figure the phase angle of Fn is either 0 or & |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒ To make antenna more directional, either its size must be increased or

the number of its feed horns must be increased

the frequency of its transmission must be increased

its effective isotropic radiated power (EIRP) must be increased

its footprint must be increased

⇒ In figure the approximate voltage

base and emitter are - 8 V and - 7.3 V

base and collector are - 8 V and - 5 V

collector and emitter are - 5 V and - 7.3 V

base, emitter and collector are - 8, - 7.3 and - 5 V

⇒ In the generic microprocessor

instruction cycle time period is shorter than machine cycle time period

machine cycle time period is shorter than instruction cycle time period

instruction cycle time period is exactly half of machine cycle time period

instruction cycle time period is exactly equal to machine cycle time period

⇒ Atomic number of germanium is

24

28

32

36

⇒ Which one of the following is the correct statement of the system characterized by the equation

*y*(

*t*) =

*a*

*x*(

*t*) +

*b*?

linear for any value of

*b*

linear if

*b*> 0

linear if

*b*< 0

non-linear

⇒ In figure, the current supplied by battery immediately after switching on the circui

0.0416666666666667

0.166666666666667

0.416666666666667

0

⇒ The circuit in figure, is to be scaled to an impedance level of 5kΩ and resonant frequency of 5 x 10

^{6}rad/sec. The possible combination of R, L,

2.5Ω, 0.2 mH, 200 pF

5 kΩ, 0.2 mH, 200 pF

5 kΩ, 0.2 mH, 200 μF

5 kΩ, 0.1 mH, 0.4 μF

⇒ A two branch parallel tuned circuits has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. The bandwidth is 200 radians/sec. A load of resistance R

_{L}is connected in parallel. The new bandwidth will be

200 rad/sec

more than 200 rad/sec

less than 200 rad/sec

200 rad/sec or less

⇒ In a megger the moving coil meter has a permanent magnet.

TRUE

FALSE

⇒ The open loop frequency response of a unity feed back system is as u

20 dB and 15°

20 dB and 25°

6 dB and 15°

6 dB and 25°

⇒

**Assertion (A):** The resolution of a DAC depends on the number of bits

**Reason (R):** Low resolution leads to fine control.

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

⇒ Under ordinary circumstances, impulse noise can be reduced in

FM only

AM only

both AM and FM

none of the above

⇒ A mobile telephone has a range of about

50 km

10 km

1 km

0.1 km

⇒ The current distribution along a travelling wave antenna can be written in the form

*f*(

*z*) =

*f*

_{0}e

^{-jβz}

*f*(

*z*) =

*f*

_{0}sin β

_{z}

*f*(

*z*) =

*f*

_{0}

*f*(

*z*) =

*f*

_{0}cos (ω

*t*- β

_{z})

⇒ A . 0 =

1

A

0

A or 1

⇒ The electromagnets of an induction wattmeter

are laminated

are not laminated

may be laminated

must not be laminated

⇒ The resolution of a 12-bit D/A converter using a binary ladder with + 10V as the full scale output will be

2.44 mV

3.50 mV

4.32 mV

5.12 mV

⇒ Troposphere is the upper part of the Earth's atmosphere which absorbs large quantities of Sun's radiations.

TRUE

FALSE

⇒ The value of the integral of the function g(

*x, y*) = 4

*x*

^{3}+ 10

*y*

^{4}along the straight line segment from the point (0, 0) to the point (1, 2) in the x-y plane is

33

35

40

56

⇒ A class D chopper

can operate in first quadrant only

can operate in second quadrant only

can operate in either first or fourth quadrant

can operate in all the quadrants

⇒ The temperature coefficient of resistivity of semiconductors is

positive

negative

may be positive or negative

very low

⇒ A universal RLC bridge uses

Maxwell bridge for measurement of inductance and De Sauty's bridge for measurement of capacitance

Maxwell's bridge for measurement of inductance and modified De Sauty bridge for measurement of capacitance

Maxwell Wien bridge for measurement of inductance and modified De Sauty bridge for measurement of inductance

Maxwell Wien bridge for measurement of inductance and Wien bridge for measurement of capacitance

⇒ The Truth Table shown is f

CMO

counter

flip-flop

half adder

⇒ Which of the following theorems enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source?

Superposition theorem

Compensation theorem

Millman's theorem

Thevenin's theorem

⇒ An air-filled rectangular waveguide has dimensions 8

*cm*x 10

*cm*. The group velocity is

1.8 x 10

^{8}

*m/s*

2.6 x 10

^{8}

*m/s*

3 x 10

^{8}

*m/s*

0.3 x 10

^{8}

*m/s*

⇒ Diffraction of electromagnetic wave

is caused by reflection from the ground

may occur around the edge of a sharp obstacle

arises only with spherical wavefronts

none of these

⇒ In 8085, which of the following is an 8 bit register?

A

SP

PC

both (a) and (b)

⇒ As frequency increases, the transmission efficiency

decreases

increases

is not affected

either (a) or (c)

⇒ The circuit shown I/P in the figure repres

Low pass filter

High pass filter

Band Pass filter

Band stop filter

⇒ In 8085 microprocessor based system running at 3 MHz clock frequency what should be the minimum pulse width of the INTR signal, so that it is recognized successfully?

0.33 μs

0.666 μs

5.8 μs

none of these