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Q1. | The residual resistivity of a binary alloy at 0 K is |

A. | sum of residual resistivities of component metals [Wrong Answer] |

B. | difference of residual resistivities of component metals [Wrong Answer] |

C. | product of residual resistivities of component metals [Wrong Answer] |

D. | dependent on the concentration of minor component in the alloy [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 the expression A + BC, the total number of minterms will be

2

3

4

5

⇒ The magnitude plot of a composite signal

*x*(

*t*) =

*e*

^{2jt}+

*e*

^{3jt}is

Half wave rectified sinusoid

Full wave rectified sinusoid

Exponentially increasing sinusoid

Exponentially decreasing sinusoid

⇒ An input voltage V(

*t*) = 10 2 cos (

*t*+ 10°) + 10 3 cos (2

*t*+ 10°)

*V*is applied to a series combination of resistance R = 1 kΩ inductance L = 1H. The resulting steady-state current

*i*(

*t*) in ampere is

10 cos (

*t*+ 55°) + 10 cos (2

*t*+ 10° tan

^{-1}2)

10 cos (

*t*+ 55°) + 103/2 cos (2

*t*+ 55°)

10 cos (

*t*- 35) + 10 cos (2

*t*+ 10° - tan

^{-1}2)

10 cos (

*t*- 35) + 103/2 cos (2

*t*+ 35°)

⇒ A source is delivering maximum power to a resistance through a network. The ratio of power delivered to the source power,

is always 0.5

may be 0.54 or less

may be 0.5 or less

may be 0.5 or more

⇒ The maximum concentration of the element which can be dissolved in solid silicon at a given temperature is termed as

Solid solubility

Dissolution coefficient

Solidification index

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⇒ Which of the following is very useful as multiband HF receiving antenna?

Square loop

Conical horn

Folded dipole

Log-periodic

⇒ The amplifier network is shown bel

6.42 kΩ, 5.6 kΩ

6.42 Ω, (5.62) kΩ

6.4kΩ, (5.62) kΩ

6.42 Ω, 5.6 kΩ

⇒ If an amplifier with gain of - 100 and feedback of β = - 0.1 has a gain change of 20% due to temperature the change in gain of the feedback amplifier will be

0.0002

0.02

0.001

0.0001

⇒ Which of the following is not correct?

P(A) = P(A) - 1

0 ≤ P ≤ 1

If A and B are mitual exclusive then P(A + B) = P(A) + P(B)

P(A) = 1 - P(A)

⇒ The highest modulation frequencies typically used in FM broadcast is

5 kHz

10 kHz

15 kHz

25 kHz

⇒ The current I for the netw

0 mA

10.72 mA

10.94 mA

11.32 mA

⇒ Identical telephone numbers in different parts of a country are distinguished by their

area codes

office codes

access digits

language codes

⇒ Logic hardware is available only in NAND and NOR.

TRUE

FALSE

⇒ A transmitter power of 5 W is increased by 20 dB. The effective radiated power is

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500 W

⇒ In 2's complement addition, the carry generated in the last stage is

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neglected

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added to the bit next to LSB

⇒ A transmission line discontinuity is defined as any interruption in the uniformity of the line.

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FALSE

⇒

**Assertion (A):** A decrease in temperature increases the reverse saturation current in a *p*-*n* diode.

**Reason (R):** When a diode is reverse biased surface leakage current flows.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

⇒ If X = 2.5 and Y = 2.5, which of the following expressions would give the result as 5/7?

X + 2.5 / Y + 3.0

(X + 2.5) / Y + 4.5

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⇒ A thyristor circuit is feeding an R-L load. The turn on time can be reduced by

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decreasing L

increasing L

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⇒ In rectangular waveguides the ratio of width to height is about

0.5

1

2

4

⇒ Which of the following instruments can be used for dc as well ac upto a few MHz?

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- Induction instrument
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2 only

2 and 3 only

1, 2 and 3 only

2 and 4 only

⇒ Which is a valid Java variable?

1

*a*

*b*

56

*a*

*a*56

5

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⇒ The current in a circuit with 10 Ω resistance is

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*t*+ 45°) + 4 sin (300

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35 A and 350 W

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⇒ The conductivity of materials found in nature ranges from 10

^{9}ohm

^{-1}m

^{-1}to nearly 10

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^{-15}

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^{-21}

0.5 x 10

^{-12}

0.5 x 10

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⇒ An instruction used to set cany flag in a computer is classified as

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arithmetic

logical

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⇒

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---|---|---|---|

A. | 00 | 1. | SP |

B. | 01 | 2. | B-C |

C. | 10 | 3. | D-E |

D. | 11 | 4. | H-L |

A-1, B-2, C-3, D-4

A-2, B-3, C-4, D-1

A-2, B-3, C-1, D-4

A-4, B-3, C-2, D-1

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100101 - 100011 = 000000

10000000 - 01000000 = 1000000

10111110.1 - 101011.11 = 110010.11

11111111 - 1111111 = 10000000

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31.11 W

31.11 kW

31.11 MW

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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

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96 m/s

192 m/s

24 m/s