Electrical Engineering  Circuit Theorems in AC Analysis
Exercise :: Circuit Theorems in AC Analysis  General Questions
11. 
If two currents are in the same direction at any instant of time in a given branch of a circuit, the net current at that instant 
A. 
is zero  B. 
is the sum of the two currents  C. 
is the difference between the two currents  D. 
cannot be determined 
Answer: Option B
Explanation:

12. 
The Thevenin equivalent voltage is 
A. 
equal to the source voltage  B. 
the same as the load voltage  C. 
the open circuit voltage  D. 
none of the above 
Answer: Option C
Explanation:

13. 
Referring to the given circuit, L

A. 
must be in parallel with R_{L}  B. 
must be placed in parallel with V_{S}  C. 
must have a reactance equal to X_{C}  D. 
has no effect on the result 
Answer: Option D
Explanation:

15. 
In order to get maximum power transfer from a capacitive source, the load must 
A. 
have a capacitive reactance equal to circuit resistance  B. 
have an impedance that is the complex conjugate of the source impedance  C. 
be as capacitive as it is inductive  D. 
none of the above 
Answer: Option B
Explanation:
