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BASIC ELECTRICAL MEASURING INSTRUMENTS AND TESTING

on September 14, 2018

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BASIC ELECTRICAL INSTRUMENTS AND TESTINGS

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BASIC ELECTRICAL PART 3 121. Where do the ‘correctly terminated asymmetrical networks’ show termination at both the ports of network? a. In image impedances b. In iterative impedances c. In characteristic impedances d. All of the above ANSWER: A 122. Which unit is used for the measurement of an insertion loss? a. Neper b. Weber c. Ohm d. Watt ANSWER: A 123. How is an insertion loss represented in terms of power ratio? a. α = 10 log10 | P1 / P2 | decibel b. α = 10 log10 | P2 / P1 | decibel c. α = 20 log10 | P1 / P2 | decibel d. α = 20 log10 | P2 / P1 | decibel ANSWER: A 124. When converting from a current source to a voltage source, the ________ will remain the same. A) current B) voltage C) no load current D) resistance Ans D 125 .An ideal current source has a) Infinite source resistance b) Zero internal resistance c)Zero voltage on no load d) Zero ripple Ans-A 126. An ideal voltage source should have a) Zero source resistance b) Infinite source res...

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BASIC ELECTRICAL MEASURING INSTRUMENTS AND TESTING

BASIC ELECTRICAL INSTRUMENTS AND TESTINGS

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