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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] |

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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 :**

⇒ The wavelength of light emitted by GaAs laser is 8670 x 10

^{-10}m. If

*h*= 6.626 x 10

^{-34}Js, velocity of light = 3 x 10

^{8}m/s and eV = 1.602 x 10

^{-19}J, the energy gap in GaAs is

0.18 eV

0.7 eV

1.43 eV

2.39 eV

⇒ Direct and reflected sound waves may interfere with each other.

TRUE

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⇒ A TV picture is to be transmitted over a channel of 6 MH

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50 M

*bps*

100 M

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36 M

*bps*

72 M

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⇒ Digital technologies being used now-a-days are

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TTL, ECL, CMOS and RTL

TTL, ECL and CMOS

TTL, ECL. CMOS and DTL

⇒ Q of a coil

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- varies linearly with frequency
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⇒ A satellite link uses different frequencies for receiving and transmitting in order to

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avoid interference between its powerful transmitted signal and weak in coming signal

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⇒

**Assertion (A):** TWT uses a focussing mechanism to prevent the electron beam from spreading.

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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 correct but R is wrong

A is wrong but R is correct

⇒ In register index addressing mode the effective address is given by

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sum of the index register value and the operand

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difference of the index register value and the operand

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⇒ The width of air gap on recording head in a tape recorder is about

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3 micron

1 micron

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less sensitive to changes in input voltage

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⇒ The main advantage of a crystal oscillator

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*x*

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⇒ Which of the following semi-conductor has forbidden energy gap less 1 eV?

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⇒ A mod-2 counter followed by a mod 5 is same as

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mod-3 counter

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⇒ Radar is essentially an echo ranging system

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⇒ Consider the following statements about transport-lag

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15

31

63