NEW
Font size
WorksheetsCircuits Review
Total questions: 20
Worksheet time: 16mins
Conventional current is the flow of
positive charge
negative charge
neutral charge
Which circuit will have brighter bulbs if the batteries and bulbs are identical in both?
A
B
The bulbs have the same brightness on both circuits
Which circuit has a lower power consumption if the batteries and bulbs are identical in both.
A
B
The circuits have the same power consumption.
What quantity is the same at all points in a series circuit?
Voltage
Power
Resistance
Current
What quantity is the same in each branch of a parallel circuit?
Voltage drop
Resistance
Power
Current
What will happen when the switch is closed?
A short circuit will be created
The bulb will become brighter
Nothing will happen
What happens to the equivalent (total) resistance as resistors are added to a series circuit?
Total resistance increases
Total resistance decreases
Total resistance remains the same
What happens to the equivalent (total) resistance as resistors are added in parallel?
Total resistance increases
Total resistance decreases
Total resistance remains the same
What is current I3?
3 A
7 A
15 A
What happens to the current as resistors are added to a series circuit?
Current increases
Current decreases
Current stays the same
What is the voltage drop V4?
5 V
10 V
15 V
25 V
Find the current through a 240 Ω resistor connected to a 120 V source.
2 A
240 A
0.5 A
120 A
Find the voltage across a 100 Ω resistor drawing 4 amps of current.
25 V
400 V
0.004 V
104 V
The equivalent (total) resistance of a parallel circuit is always
greater than the smallest resistance
less than the smallest resistance
greater than the greatest resistance
the sum of the individual resistances
What is the resistance of a lamp operating at 120 volts and using 0.5 amps of current?
240 Ω
60 Ω
0.5 Ω
120.5 Ω
How much power is dissipated in a bulb with a voltage of 10 V and a current of 4 A?
14 W
40 W
2.5 W
0.4 W
Find the equivalent resistance of three 120 Ω resistors wired in parallel.
360 Ω
120 Ω
40 Ω
Find the equivalent resistance of three 120 Ω resistors wired in series.
360 Ω
120 Ω
40 Ω
A motor has a resistance of 100 Ω. It is designed to operate on 120 V. What is the power consumed by the motor?
1.2 W
12,000 W
144 W
0.83 W
Which switch would cut off current to R1 only?
A
B
C
D
E
