electrical-engineering-branch-loop-and-node-analyses Related Question Answers

1. What is the voltage drop across R1?





2. What is the voltage drop across R2?





3. In assigning the direction of branch currents,





4. Find I1. 4I1 + 4I2 = 2 6I1 + 7I2 = 4





5. Using the mesh current method, find the branch current, IR1, in the above figure.





6. What is the current through R2?





7. The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is





8. The first row of a certain determinant has the numbers 10 and 6. The second row has the numbers 3 and 5. The value of this determinant is





9. What is the voltage drop across R3?





10. The expansion method for evaluating determinants is





11. Which of the following are known as Brettonwood twins?





12. The node voltage method is based on Kirchhoff's voltage law.



13. A loop current is an actual current in a branch.



14. The mesh current method is based on Kirchhoff's current law.



15. The branch current method is based on Kirchhoff's voltage law and Kirchhoff's current law.



16. When assigning branch currents, you need not be concerned with the direction you choose.



17. Generally, the mesh current method results in fewer equations than the node voltage method.



18. Third-order determinants are evaluated by the expansion method or by the cofactor method.



19. Second-order determinants are evaluated by subtracting the signed cross-products.



20. The mesh method can be applied to circuits with any number of loops.



21. Find the node voltage VA.





22. Find branch current IR2.





23. Find I2. 4I1 + 4I2 = 2 6I1 + 7I2 = 4





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