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Q1. | Electrical conductivity of metals expressed in ohm^{-1} m^{-1} is of the order of |

A. | 10^{10} [Wrong Answer] |

B. | 10^{5} [Correct Answer] |

C. | 10^{-4} [Wrong Answer] |

D. | 10^{-6} [Wrong Answer] |

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

⇒ Dish antennas are

loop

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parabolic

conical

⇒ In the given figure the number of combinations of three non touching loop

0

1

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⇒ A surge voltage

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has very high magnitude and very small duration

has very high magnitude and very small duration and can be positive or negative

can be only positive

⇒ A system has poles at 0.01 Hz, 1 Hz and 80 Hz, zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is

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⇒ In rectifier circuits, ripple factor RF and form factor FF are related as

RF = (FF

^{2}- 1)

^{0.5}

RF = FF

RF = FF - 1

RF = (FF - 1)

^{0.5}

⇒ A 12 bit ADC is employed to convert an analog voltage of zero to 10 volts. The resolution of the ADC is

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24.4 mV

83.3 mV

1.2 V

⇒ The port of PC to which mouse is connected is called

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⇒ For type 0 system the starting point (

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⇒ For maximum transfer of power, internal resistance of the source should be

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⇒ A semiconductor diode is biased in forward direction and carrying current I. The current due to holes in

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⇒ Contents of RAM cannot be altered.

TRUE

FALSE

⇒ Lower chip area requirements of MOS is advantage in

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repetitive operation circuits

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⇒ When a material becomes a superconductor, its resistivity becomes

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⇒ For the minterm designation Y = ∑ m (1, 3, 5, 7) the complete expression is

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Y = A B C + A B C + ABC + A BC

Y = A B C + A B C + ABC + A BC

Y = A B C + ABC + A BC + A BC

⇒ Computer ICs work reliably because

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these are made from pure silicon

these are maintained at two temperatures

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⇒ When P

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_{t}is the total power in the modulated wave, then the maximum power in AM wave is

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⇒ Hall effect is observed in a specimen (metal or semi- conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

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⇒ Threshold of perception occurs at a current of about 1 mA.

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⇒ Which of the following statement is false?

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⇒ A channel has a SNR of 7 and BW 4 kHz. Keeping the channel capacity (BPS) same, the BW is reduced to accommodate more channels. The SNR

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⇒ The use of coaxial microwave line should be restricted to frequencies

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at frequencies much higher than cut off frequency of TE

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⇒ For the K map of the given figure the simplified Boolean expressio

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