WorksheetsCH18.3 Complex Resistors
Total questions: 20
Worksheet time: 20mins
The equivalent resistance of a complex circuit is usually determined by
inspection.
simplifying the circuit into groups of series and parallel circuits.
adding and subtracting individual resistances.
dividing the sum of the individual resistances by the number of resistances.
To find the current in a complex circuit, it is necessary to know the
potential difference in each device in the circuit.
equivalent resistance of the circuit.
current in each device in the circuit.
number of branches in the circuit.
What is the equivalent resistance of the resistors in the figure shown above?
7.5
10
16
18
Two resistors with values of 6.0 Ω and 12 Ω are connected in parallel. This combination is connected in series with a 4.0 Ω resistor. What is the equivalent resistance of this combination?
0.50
2.0
8.0
22
What is the equivalent resistance for the resistors in the figure shown above?
25 Ω
7.5 Ω
10 Ω
5.0 Ω
What is the equivalent resistance for the resistors in the figure shown above?
1.3 Ω
2.2 Ω
3.0 Ω
12.0 Ω
Three resistors connected in parallel have individual values of 4.0 Ω , 6.0 Ω , and 10.0 Ω , as shown above. If this combination is connected in series with a 12.0 V battery and a 2.0 Ω resistor, what is the current in the 10.0 Ω resistor?
0.58 A
1.0 A
11 A
16 A
Two resistors with values of 6.0 Ω and 12 Ω are connected in parallel. This combination is connected in series with a 2.0 Ω resistor and a 24 V battery. What is the current in the 2.0 Ω resistor?
2.0 A
4.0 A
6.0 A
12 A
In any complex resistance circuit, the voltage across any resistor in the circuit is always
less than the voltage source.
equal to or less than the voltage source.
equal to the voltage source.
greater than the voltage source.
What is the equivalent resistance for the resistors in the figure shown above?
(a)
