in Education by
The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be _________ (a) \(\frac{3}{4}\) Ω (b) \(\frac{4}{3}\) Ω (c) \(\frac{3}{2}\) Ω (d) 6 Ω The question was asked in an internship interview. Enquiry is from Advanced Problems on Millman’s Theorem and Maximum Power Transfer Theorem in division Useful Theorems in Circuit Analysis of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

1 Answer

0 votes
by
Right choice is (b) \(\frac{4}{3}\) Ω To elaborate: Given that copper and coated metal strip have resistance of 2 ohms respectively. These two strips are connected in parallel. Hence, the resistance of the composite strip = \(\frac{2 X 4}{2 + 4}\) = \(\frac{8}{6} = \frac{4}{3}\) Ω.

Related questions

0 votes
    In the circuit given below, the current through the 12 Ω resistance is _________ (a) 1.5 A (b) 2.5 A ... Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...
asked Oct 20, 2021 in Education by JackTerrance
0 votes
    In the circuit given below, the current in the resistance 20 Ω(far end) is _________ (a) 8.43 A (b) 5 ... Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...
asked Oct 20, 2021 in Education by JackTerrance
0 votes
    A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...
asked Oct 20, 2021 in Education by JackTerrance
0 votes
    A rectangular voltage wave of magnitude A and duration B is applied to a series combination of resistance R and ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...
asked Oct 17, 2021 in Education by JackTerrance
0 votes
    If the resistors of star connected system are R1, R2, R3 then the resistance between 2 and 3 in delta connected ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...
asked Oct 20, 2021 in Education by JackTerrance
...