WorksheetsSeries & Parellel Circuits
Total questions: 15
Worksheet time: 1hrs 15mins
A 9-volt battery is connected to a 4-ohm resistor and a 5-ohm resistor as shown in the diagram below. What is the current in the 5-ohm resistor?
1.0 A
1.8 A
2.4 A
4.0 A
In which circuit would ammeter A show the greatest current?
If switch S1 is open, the reading of ammeter A is
0.5
2.0
1.5
6.0
As the number of resistors in a parallel circuit is increased, what happens to the equivalent resistance of the circuit and total current in the circuit?
Both equivalent resistance and total current
decrease.
Both equivalent resistance and total current
increase.
Equivalent resistance decreases and total current
increases.
Equivalent resistance increases and total current
decreases.
What is the current reading of the ammeter?
1.0 A
0.60 A
0.40 A
0.20 A
In which circuit would current flow through resistor R1 but not through resistor R2 while switch S is open?
1
2
3
4
Which circuit diagram below correctly shows the connection of ammeter A and voltmeter V to measure the current through and potential difference across resistor R?
1
2
3
4
Which circuit has the smallest equivalent resistance?
1
2
3
4
What is the current measured by ammeter A?
0.50 A
2.0 A
72 A
4.0 A
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
