Branch Loop And Node Analyses(Engineering > Electrical Engineering ) Questions and Answers

Question 1. Second-order determinants are evaluated by subtracting the signed cross-products.
  1.     True
  2.     False
  3.     1.73 A
  4.     173 mA
Explanation:-
Answer: Option B. ->  False
Question 2. The branch current method is based on kirchhoff's voltage law and kirchhoff's current law.
  1.     True
  2.     False
Explanation:-
Answer: Option A. ->  True
Question 3. When assigning branch currents, you need not be concerned with the direction you choose.
  1.     True
  2.     False
  3.     12.5 A
  4.     135 mA
Explanation:-
Answer: Option A. ->  True
Question 4. Find the node voltage va.
  1.     6 V
  2.     12 V
  3.     4.25 V
  4.     3 V
Explanation:-
Answer: Option C. ->  4.25 V
Question 5. Find branch current ir2.
  1.     5.4 mA
  2.     -5.4 mA
  3.     113.0 mA
  4.     119.6 mA
Explanation:-
Answer: Option C. ->  113.0 mA
Question 6. What is the voltage drop across r1?
  1.     850 mV
  2.     7.82 V
  3.     9.18 V
  4.     918 mV
Explanation:-
Answer: Option B. ->  7.82 V
Question 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
  1.     31
  2.     -31
  3.     39
  4.     -29
Explanation:-
Answer: Option D. ->  -29
Question 8. In assigning the direction of branch currents.
  1.     The directions are critical
  2.     The directions are not critical
  3.     They must point into a node
  4.     They must point out of a node
Explanation:-
Answer: Option B. ->  The directions are not critical
Question 9. The branch current method uses.
  1.     Kirchhoff's voltage and current laws
  2.     Thevenin's theorem and Ohm's law
  3.     Kirchhoff's current law and Ohm's law
  4.     The superposition theorem and Thevenin's theorem
Explanation:-
Answer: Option A. ->  Kirchhoff's voltage and current laws
Question 10. A loop current is an actual current in a branch.
  1.     True
  2.     False
Explanation:-
Answer: Option B. ->  False
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