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Q1. | The units of resistivity are ohm-metre. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

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Implicit

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Direct

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⇒ The I/P impedance of a short circuited quarter wave long transmission line is

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purely resistive

depend on the characteristic impedance of the line

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⇒ Magnetic effect of current is used in

ammeters

voltmeters

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_{CEQ}for each transistoV

_{CC}0.5 V

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_{CC}⇒

**Assertion (A):** CCIR-B system has 625 scanning lines per frame and 2 : 1 interlace.

**Reason (R):** The aspect ratio is 4 : 3

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

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615.5 W

⇒ Which of these has a magnetic brake?

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Energy meter

Dynamometer wattmeter

Frequency meter

⇒ In a TWT the amplitude of resultant wave travelling down the helix remains constant

TRUE

FALSE

⇒ A transconductance amplifier has

high input impedance and low output impedance

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high input and output impedance

low input and output impedance

⇒ In 8086 the word address is

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the address of most significant byte

either (a) or (b) depending on the word

neither (a) nor (b)

⇒ The input impedance of CRO is about

zero

10 Ω

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one mega ohm

⇒ A JFET

is current controlled device

has low input resistance

has high gate current

is a voltage controlled device

⇒ Decimal 18.29 when converted int 10's complement will become

81.7707

81.7

81.777

81.077

⇒ Substitution theorem applies to

Linear network

Non linear network

Linear time invariant network

Any network

⇒ The depletion layer in a reverse biased

*p*-*n*junction is due to the presence ofelectrons

holes

both electrons and holes

immobile ions

⇒ For a directional coupler the power is in the ratio of

40 dB

30 dB

20 dB

10 dB