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Q1. | In anti-ferromagnetic materials, the graph of susceptibility versus temperature shows a sharp maximum at a certain temperature. This temperature is known as |

A. | Curie temperature [Wrong Answer] |

B. | Neel temperature [Correct Answer] |

C. | Weiss temperature [Wrong Answer] |

D. | Bitter temperature [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 :**

⇒ In a sine wave, maximum rate of change of voltage occurs at

ascent of the waveform

+ ve maximum

- ve maximum

between maximum and minimum

⇒ An

*m*derived and constant

*k*filter section connected in cascade give

proper impedance matching

proper phase shift characteristic

proper attenuation characteristic

all of the above

⇒ In a good voltage amplifier, its input impedance

must be high compared to the resistance of the source

must be low compared to the resistance of the source

must be equal to the resistance of the source

must be half the resistance of the source

⇒ Bellows converts

pressure difference into displacement

pressure difference into voltage

displacement into pressure difference

either (a) or (c)

⇒ An electron rises through a voltage of 100 V. The energy acquired by it will be

100 eV

100 joules

(100)

^{1.2}eV

(100)

^{1.2}joules

⇒ In a bridge inverter with single pulse width modulation

the output frequency is equal to frequency of reference signal

the output frequency is equal to frequency of control signal

either (a) or (b)

neither (a) nor (b)

⇒ Consider the network: Impedance of this network as a function of the complex frequency is consists of a certain number of zeros and poles. What is the location of po

-2

-2, ∞

2

2, ∞

⇒ Consider the following statements about conditions that make a metal semiconductor contact rectifying

- N type semiconductor with work function φ
_{s}more than work function φ_{M}of metal - N type semiconductor with work function φ
_{s}less than work function φ_{M}of metal - P type semiconductor with work function φ
_{s}more than work function φ_{M}of metal - P type semiconductor with work function φ
_{s}less than work function φ_{M}of metal.

1 and 3 are correct

2 and 3 are correct

1 and 4 are correct

2 and 4 are correct

⇒ The following Variable Entered Map (VEM) represents which of the following funct

*f*(A, B, C, D) = ∑(1, 2, 3, 4, 7, 8, 9, 14, 15) + Φ(3, 5, 12, 13)

*f*(A, B, C, D) = ∑(1, 2, 4, 8, 10, 8, 13, 15) + Φ(3, 6, 12, 14)

*f*(A, B, C, D) = ∑(1, 2, 4, 7, 8, 10, 13, 15) + Φ(6, 12, 13)

*f*(A, B, C, D) = ∑(1, 2, 4, 7, 8, 9, 12, 13) + Φ(3, 5, 14, 15)

⇒ Find the electric charge required on the earth and moon to balance their gravitational attraction if the charge on the earth is 12.5 times that on the m

48.9 TC

4.89 GC

4.89 TC

48.9 GC

⇒ The number of interrupt lines in 8085 is

2

3

4

5

⇒ The frequencies in ultra high frequency range are propagated by means of __________ waves

surface

ground

sky

space

⇒ An RL series circuit has an impedance of 20 Ω when frequency is 25 Hz. At

*f*= 50 Hz, the impedance will be

40 Ω

20 Ω

less than 40 W but more than 20 Ω

less than 20 W but more than 10 Ω

⇒ The amplitude modulated wave is given by __________

*e*= 25(1 + 0.7 cos 5000

*t*- 0.3 cos 1000

*t*) x sin 5 x 10

^{6}

*t*The amplitude of carrier and sideband frequencies in magnitudes are

25, 0.7, 0.3

25, 0.7, - 0.3

24, 17.5, 7.5

25, 8.75, 3.75

⇒ In applications where __________ input resistance is needed, the JFET is preferred to the bipolar transistor.

zero

very low

low

high

⇒ FM receivers using the standard 88 to 108 MHz band use IF of

8 MHz

9.9 MHz

10.7 MHz

12.2 MHz

⇒ When a lead acid cell is in fully charged condition the positive and negative plates are similar.

TRUE

FALSE

⇒ When a particular mode is excited in a waveguide, these appears an extra electric components in the direction of propagation. The resulting mode is

Transverse electric

Transverse magnetic

Longitudinal

Transverse Electromagnetic

⇒ What is typical bandwidths of a 2-wire telephone line?

300 Hz to 3.4 kHz

20 Hz to 4 kHz

dc to 4 kHz

20 Hz to 20 kHz

⇒ When a series RL circuit having power factor angle 0 is switched on to an ac voltage V

_{m}sin (ω

*t*+ Φ), the transient term is zero if Φ = 0.

TRUE

FALSE

⇒ The OP-AMP circuit shown above represen

high pass filter

low pass filter

band pass filter

band reject filter

⇒ For Bode plot of (1 +

*j*ωT) has

slope of 20 dB/decade and phase angle + tan

^{-1}(ωT)

slope of - 20 dB/decade and phase angle + tan

^{-1}(ωT)

slope of 20 dB/decade and phase angle - tan

^{-1}(ωT)

slope of - 40 dB/decade and phase angle - tan

^{-1}(ωT)

⇒

**Statement 1**

Statement 1 is true but statement 2 is false

Statement 1 is false but statement 2 is true

Both the statements are true

Both the statements are false

Statement 1 is true but statement 2 is false

Statement 1 is false but statement 2 is true

Both the statements are true

Both the statements are false

⇒ For air filled circular waveguides

the attenuation due to imperfect conducting walls is negligible

the attenuation due to imperfect dielectric is negligible

both the attenuation i.e. due to imperfect conducting walls and due to imperfect dielectric are significant

the total attenuation is almost zero

⇒ In digital circuits Schottky transistors are preferred over normal transistors because of their

lower propagation delay

lower power dissipation

higher propagation delay

higher power dissipation

⇒ CMRR of an op-amp is about 0.1.

TRUE

FALSE

⇒ In an

number of free electrons and holes are equal

number of free electrons is much greater than the number of holes

number of free electrons may be equal or less than the number of holes

number of holes is greater than the number of free electrons

⇒ SCR turns of from conducting state to blocking state on

reducing gate current

reversing gate voltage

reducing anode current below holding current value

applying

⇒ In force voltage analogy the quantity analogous to spring constant K is

R

C

L

1/C

⇒ In a circular waveguide with radius

TM

TE

TM

TE

⇒ For air filled circular waveguides

the attenuation due to imperfect conducting walls is negligible

the attenuation due to imperfect dielectric is negligible

both the attenuation i.e. due to imperfect conducting walls and due to imperfect dielectric are significant

the total attenuation is almost zero

⇒ In digital circuits Schottky transistors are preferred over normal transistors because of their

lower propagation delay

lower power dissipation

higher propagation delay

higher power dissipation

⇒ CMRR of an op-amp is about 0.1.

TRUE

FALSE

⇒ In an

*n*type semiconductornumber of free electrons and holes are equal

number of free electrons is much greater than the number of holes

number of free electrons may be equal or less than the number of holes

number of holes is greater than the number of free electrons

⇒ SCR turns of from conducting state to blocking state on

reducing gate current

reversing gate voltage

reducing anode current below holding current value

applying

*ac*to the gate⇒ In force voltage analogy the quantity analogous to spring constant K is

R

C

L

1/C

⇒ In a circular waveguide with radius

*r*, the dominant mode isTM

_{01}TE

_{01}TM

_{11}TE

_{11}