Electronics  Series Circuits
Exercise :: Series Circuits  General Questions
21. 
If a voltage is connected between contacts 2 and 3 in the given circuit, which resistors will carry current? 
A. 
All twelve resistors will carry current.  B. 
Only R_{6} and R_{11} will carry current.  C. 
Only R_{2}, R_{4}, R_{6}, and R_{11} will carry current.  D. 
Only R_{3}, R_{6}, R_{9}, and R_{12} will carry current. 
Answer: Option C
Explanation:

22. 
Given a series circuit containing resistors of different values, which statement is not true? 
A. 
The current through each resistor is the same.  B. 
The sum of the voltage drops across each resistive element will be equal.  C. 
The total resistance is the sum of the value of the resistors.  D. 
The voltage drop across each resistor is the same. 
Answer: Option D
Explanation:

23. 
With 20 V applied, an 8ohm resistor is in series with a lamp. When the lamp is removed, what voltage will be read across the lamp socket? 
Answer: Option D
Explanation:

24. 
When 50 V is applied to four series resistors, 100 µA flows. If R_{1} = 12 k , R_{2} = 47 k, and R_{3} = 57 k, what is the value of R_{4}? 
Answer: Option C
Explanation:

25. 
In a series circuit, the voltage measured across a short will be: 
A. 
source voltage  B. 
infinite voltage  C. 
zero volts  D. 
the normal voltage drop 
Answer: Option C
Explanation:
