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Q1. | Ferromagnetic materials exhibit |

A. | a linear B-H behaviour [Wrong Answer] |

B. | a non-linear B-H behaviour [Correct Answer] |

C. | an exponential B-H behaviour [Wrong Answer] |

D. | none of the above [Wrong Answer] |

View Answer
Explanation:-
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**Also Read Similar Questions Below :**

⇒ The two modes of operation of three phase bridge inverters are known as

60° mode and 120° mode

90° mode and 120° mode

120° mode and 180° mode

120° mode and 240° mode

⇒ The depletion layer width of Junction

decreases with light doping

is independent of applied voltage

is increased under reverse bias

increases with heavy doping

⇒ The poles with greater displacement from the real axis correspond to

higher frequencies of oscillation

stable response

lower frequencies of oscillation

unbounded output

⇒ Bandwidth will be

*a*.

*b*

*a*+

*b*

*a*

*b*

⇒ A

*dc*voltage source is connected across a series RLC circuit, Under steady state conditions, the applied

*dc*voltage drops entirely across the

R only

C only

L only

R and L

⇒ The output V-I characteristics of an Enhancement type MOSFET has

only an ohmic region

only a saturation region

an ohmic region at low voltage value followed by a saturation region at higher voltages.

an ohmic region at large voltage values. Preceded by a saturation region at lower voltages.

⇒ The amplifier used in bootstrap voltage sweep should have a gain of

1

+∞

-1

-∞

⇒ If poles lie in first quadrant, damping ratio is

1

more than 1

less than 1

zero

⇒ 5 skilled workers can build a wall in 20 days; 8 semi-skilled worker can build a wall in 25days; 10 unskilled workers can build a wall in 30 days, If a team has 2 killed, 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?

20 days

18 days

16 days

15 days

⇒ In the circuit of figure the current through L at

*t*= &infin

0

0.416666666666667

6.67 A

5.1 A

⇒ If R

_{T}, R

_{h}represent condition for reciprocity in case of transmission parameter and hybrid parameter respectively and similarly S

_{T}, S

_{h}represent condition for symmetry in case of transmission parameter and hybrid parameter respectively then match the followi

1 -

*c*2 -

*d*3 -

*a*4 -

*f*

1 -

*c*2 -

*b*3 -

*e*4 -

*d*

1 -

*e*2 -

*d*3 -

*a*4 -

*b*

1 -

*e*2 -

*d*3 -

*a*4 -

*f*

⇒ As the diameter of a wire is doubled, the resistance becomes

twice

one half

one fourth

four times

⇒ In a Vidicon camera tube, the beam current is controlled by

grid G

_{1}

grid G

_{2}

grids G

_{1}, G

_{2}, G

_{3}

grid G

_{2}, G

_{3}

⇒ The forms of IF statements in FORTRAN 77 are called

logical IF and Block IF

logical IF, block IF and arithmetic IF

logic IF, block IF, arithmetic IF and negate IF

logical IF and arithmetic IF

⇒ Higher order active filters are used for variable

bandwidth

gain in the pass band

impedance

roll off rate

⇒ The Causal system given below is _______

maximum phase

minimum phase

mixed phase

none of these

⇒ Data can be changed from spatial code to temporal code and vice-versa by using

ADC and DAC

shift Register

synchronous counter

timers

⇒ A modem is connected to PC at

serial port

parallel port

SCSI port

input port

⇒ In a driving point function poles and zeros must be conjugate if complex or imaginary.

TRUE

FALSE

⇒ Consider the following statements

- In 8085 address and data buses are multiplexed.
- In Z 80 address and data buses are multiplexed
- In Z 80 address and data buses are not multiplexed.
- Z 80 has 16 bit address bus and 8 bit data bus.

1 and 2 only

1, 3 and 4 only

1, 2 and 4 only

2 and 4 only

⇒ The number of operator to accomplish basic arithmetic in Java is

4

5

6

7

⇒ As the number SWG increases, area of cross-section decreases.

TRUE

FALSE

⇒ Following figure is a signal conditioning Amplifier, changes gain depending upon the polarity of V

_{s}. What will be circuit voltage gain for + V

_{s}and for - V

_{s}if D

_{2}is id

A

_{V}= -R

_{3}/R

_{1}

R

_{3}/R

_{1}

R

_{1}/R

_{3}

1 + R

_{3}/R

_{1}

⇒ A constant

*k*low pass T section filter has a characteristic impedance of 600 p at zero frequency. At

*f*=

*f*

_{c}the characteristic impedance is

600 Ω

zero

infinite

more than 600 ohms

⇒ For the discrete time system of the given fig

*y*= 0.5

_{k}*u*-

_{k - 2}*u*- 0.25

_{k}*y*- 1

_{k}*y*= 0.5

_{k}*u*

_{k}_{ - 1}-

*u*- 0.25

_{k}*y*- 1

_{k}*y*= 0.5

_{k}*u*

_{k}- u_{k}_{ - 1}- 0.25

*y*- 1

_{k}*y*= 0.5

_{k}*u*

_{k}_{ - 1}-

*u*

_{k}_{ - 1}- 0.25

*y*- 1

_{k}⇒ A 14 pin AND gate IC has __________ AND gates.

8

6

4

2

⇒ The moving iron instruments are generally repulsion type.

TRUE

FALSE

⇒ In ferromagnetic materials

the atomic magnetic moments are antiparallel and unequal

the atomic magnetic moments are parallel

the constituent is iron only

one of the constituents is iron

⇒ In active filters inductances are divided because they

are always associated with same resistance

are bulky and unsuitable for miniaturization

are non linear

saturate quickly

⇒ Power transistors are invariably provided with

soldered connections

heat sink

metallic casing

none of the above