Electronics - Parallel Circuits

Exercise :: Parallel Circuits - General Questions

21. 

When a parallel 5 k resistor and a 25 k resistor have a 10 V supply, what is the total power loss?

A. 2.4 mW
B. 3.3 mW
C. 24 mW
D. 33 mW

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

22. 

In a parallel resistive circuit:

A. there is more than one current path between two points
B. the voltage applied divides between the branches
C. the total branch power exceeds the source power
D. the total circuit conductance is less than the smallest branch conductance

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

23. 

What is the total resistance?

mcq4_1007_1.gif

A. 7 k
B. 1 k
C. 706
D. 353

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

24. 

Kirchhoff's current law for parallel circuits states that the:

A. sum of all branch voltages equals zero
B. total circuit resistance is less than the smallest branch resistor
C. sum of currents into a junction is equal to the difference of all the branch currents
D. sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

25. 

Which component is open?

mcq4_1011_1.gif

A. R1
B. R2
C. R3
D. R4

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.