Given two mutually coupled coils have a total inductance of 1500 mH, the self-inductance of each coils if the coefficient of coupling is 0.2 is ____________

Question

Given two mutually coupled coils have a total inductance of 1500 mH, the self-inductance of each coils if the coefficient of coupling is 0.2 is ____________

asked Oct 20, 2021 in Education by JackTerrance

Given two mutually coupled coils have a total inductance of 1500 mH, the self-inductance of each coils if the coefficient of coupling is 0.2 is ____________ (a) 325 mH (b) 255 mH (c) 625 mH (d) 550 mH I had been asked this question during an internship interview. The question is from Advanced Problems on Network Theorems topic in section 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

Related questions

0 votes

Q: Two similar coils have self-inductance of 20 mH each. Coefficient of coupling is 0.4. The mutual inductance M is ______________

Two similar coils have self-inductance of 20 mH each. Coefficient of coupling is 0.4. The mutual inductance M is ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 16, 2021 in Education by JackTerrance

0 votes

Q: Two coils having self-inductances of 1 mH and 2 mH are mutually coupled. The maximum possible mutual inductance is ___________

Two coils having self-inductances of 1 mH and 2 mH are mutually coupled. The maximum possible mutual inductance is ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 16, 2021 in Education by JackTerrance

0 votes

Q: When two coupled coils of equal self-inductance are connected in series in one way the net inductance is 20 mH and when they are connected in the other way, the net inductance is 12 mH. The maximum value of net inductance when they are connected in parallel is __________

When two coupled coils of equal self-inductance are connected in series in one way the net inductance is 20 mH and ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: The maximum value of mutual inductance of 2 inductively coupled coils with self inductance LA = 49 mH and LB = 81 mH is ______________

The maximum value of mutual inductance of 2 inductively coupled coils with self inductance LA = 49 mH and LB = 81 ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: Two coils are having self-inductance of 5 mH and 10 mH and a mutual inductance of 0.5 mH in a differential connection. The equivalent inductance of the combination is ___________

Two coils are having self-inductance of 5 mH and 10 mH and a mutual inductance of 0.5 mH in a differential ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: For the circuit given below, the inductance measured across the terminals 1 and 2 was 15 H with open terminals 3 and 4. It was 30 H when terminals 3 and 4 were short-circuited. Both the inductors are having inductances 2H. The coefficient of coupling is ______________

For the circuit given below, the inductance measured across the terminals 1 and 2 was 15 H with open terminals 3 ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: In Maxwell’s capacitance bridge for calculating unknown inductance, the various values at balance are, R1 = 300 Ω, R2 = 700 Ω, R3 = 1500 Ω, C4 = 0.8 μF. The values of R1, L1 and Q factor, if the frequency is 1100 Hz are ____________

In Maxwell's capacitance bridge for calculating unknown inductance, the various values at balance are, R1 = 300 Ω, ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: Consider the self-inductances of two coils as 12 H and 5 H. 50 % of one flux links the other. The mutual inductance is ___________

Consider the self-inductances of two coils as 12 H and 5 H. 50 % of one flux links the other. The mutual ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 20, 2021 in Education by JackTerrance

0 votes

Q: For 2 coupled inductors LA and LB, their mutual inductance MLALB satisfies ____________

For 2 coupled inductors LA and LB, their mutual inductance MLALB satisfies ____________ (a) MLALB = \sqrt{L_A^2 + ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: In an unloaded transformer, the flux limiting the primary is 10 mWb and secondary is 30 mWb. The coefficient of coupling is ____________

In an unloaded transformer, the flux limiting the primary is 10 mWb and secondary is 30 mWb. The coefficient of ... GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 16, 2021 in Education by JackTerrance

0 votes

Q: If the 3-phase balanced source in the given figure delivers 1500 W at a leading power factor of 0.844, then the value of ZL is approximately __________

If the 3-phase balanced source in the given figure delivers 1500 W at a leading power factor of 0.844, then ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: In the circuit given below, the switch is closed at time t=0. The voltage across the inductance just at t=0^+ is ____________

In the circuit given below, the switch is closed at time t=0. The voltage across the inductance just at t=0^+ ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 17, 2021 in Education by JackTerrance

0 votes

Q: A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 mΩ resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the half power frequencies of the circuit are?

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 19, 2021 in Education by JackTerrance

0 votes

Q: A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 mΩ resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, what is the value of the capacitor?

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 19, 2021 in Education by JackTerrance

0 votes

Q: A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 mΩ resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the Q factor of the circuit is?

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 ... for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)...

asked Oct 19, 2021 in Education by JackTerrance

JackTerrance · Answer 1 · 2021-10-20T02:54:51+0000

Right option is (c) 625 mH Explanation: We know that, M = k\(\sqrt{L_1 L_2}\) Given that, LEQ = 1500 mH and k = 0.2 Again, total inductance = L1 + L2 + 2M Or, 2L + 2kL = 1500 mH Or, L (2 + 2 X 0.2) = 1500 Or, L = 625 mH.