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WorksheetsCircuits Test
Total questions: 28
Worksheet time: 58mins
Which of the following is true regarding a series circuit?
Voltage is the same everywhere
Current is the same everywhere
Resistance is the same everywhere
Power is the same everywhere
Which of the following is true regarding a parallel circuit?
Voltage is the same everywhere
Current is the same everywhere
Resistance is the same everywhere
Power is the same everywhere
Which of the symbols represents current in an electrical circuit?
I
V
R
P
An electrical circuit is powered by a 12-volt battery and contains a light bulb. The current flowing in the circuit is 20 amps. What is the resistance of the light bulb?
0.6 Ohms
240 Ohms
1.67 Ohms
12 Ohms
What is the power of the circuit?
0.33 W
3 W
8 W
12 W
What is the equivalent or total resistance (Re) across this circuit?
3 kΩ
10 kΩ
13 kΩ
18 kΩ
This is the symbol of which electrical device?
A light bulb
An resistor
An electrical cell
A switch
This is the symbol for a(n) ..................?
single cell
bulb
battery
AC current source
This type of circuit only has one path for current to flow.
parallel
combination
split
series
A parallel circuit
has only one path for current to travel
has more than one path for current to travel
does not allow electricity to travel through it
has magnets that cause electric current
Solve for the total resistance of the circuit shown
50 V
1970 ohms
705 K ohms
20 Amps
Using the circuit shown solve for total power dissipated in this circuit.
20 watts
30 watts
1.8 Kilowatts
180 watts
The voltage drop across R1 is ______________________________ V.
20
30
40
50
What is the equivalent resistance of this circuit?
25 ohms
8.3 ohms
7.3 ohms
9.0 ohms
If every resistor has a value of 10 ohms, what is the equivalent resistance?
8.3 ohms
50 ohms
11.7 ohms
12.4 ohms
This is an example of a _______ circuit
Open
Series
Parallel
Square
What is the total resistance in this circuit?
18 ohms
9.0 ohms
4.2 ohms
6.6 ohms
What potential difference is required across an 8.0-Ω resistor to cause 2.0 A to flow through it?
4.0 V
16 V
8.0 V
32 V
A 200-W light bulb is connected across a 100-V dc power supply. What current will flow through this bulb?
0.90 A
0.36 A
0.60 A
2.0 A
Solve the circuit. In your answer include the values of It, I1, I2, I3, Rt, V1, V2, V3, P1, P2, P3, and Pt.
Solve the circuit. Include the values for Vt, V1, V2, V3, Rt, I1, I2, I3, Pt, P1, P2, and P3.
What is the total resistance in this circuit?
