Electronics - Series-Parallel Circuits

Exercise :: Series-Parallel Circuits - General Questions
31.

Which circuit fault do the meter readings in the given figure indicate?

A.
The 1 k resistor is shorted. B.
The 4.7 k resistor is shorted. C.
The 2.2 k resistor is shorted. D.
The 3.3 k resistor is shorted.

Answer: Option D

Explanation:

32.
In a series–parallel circuit consisting of R_{1} and R_{2} in series and connected in parallel with R_{3} , if R_{1} opens, then R_{2} 's voltage will:

A.
increase B.
decrease C.
remain the same D.
cannot tell

Answer: Option B

Explanation:

33.

In the given circuit, what is R _{UNK} equal to if R_{V} must be adjusted to 1,232 in order to balance the bridge?

A.
220 B.
6,899 C.
1,232 D.
More information is needed in order to find R _{UNK} .

Answer: Option A

Explanation:

34.
With 6 V applied, what is the voltage across R_{2} of a parallel combination of R_{2} (1 k ), R_{3} (2 k ), and R_{4} (1 k ) in series with R_{1} , whose value is 2 k ?

Answer: Option A

Explanation:

35.
What is the power dissipated by R1, R2, and R3?

A.
P1 = 0.13 W, P2 = 0.26 W, P3 = 0.12 W B.
P1 = 0.26 W, P2 = 0.52 W, P3 = 0.23 W C.
P1 = 0.52 W, P2 = 0.92 W, P3 = 0.46 W D.
P1 = 1.04 W, P2 = 1.84 W, P3 = 0.92 W

Answer: Option B

Explanation: