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WorksheetsElectricity 1.2.4
Total questions: 24
Worksheet time: 45mins
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
25 V
10 V
2.5 V
0.4 V
Speakers need a household voltage of 110 V to push a current of 5.5 A through them. What is the
resistance of the speakers?
10Ω
20Ω
30Ω
40Ω
How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of
resistance?
10V
50V
100V
150V
When only one lightbulb blows out, an entire string of decorative lights goes out. The lights in this string must be connected in
series with multiple current pathways
series with one current pathway
parallel with multiple current pathways
parallel with one current pathway
The diagram above represents an electric circuit consisting of four resistors and a 12-volt battery.
What is the current measured by ammeter A shown in the diagram?
4.0 A
72 A
2.0 A
500 mA
What is the total resistance (RT) across this circuit?
3 kΩ
10 kΩ
13 kΩ
18 kΩ
"The total current in a parallel circuit equals the sum of the individual branch currents."
Ohm's Law
Kirchhoff's Voltage Law
Kirchhoff's Current Law
Bolen's Law
"The sum of all voltage drops in a series circuit equals the total applied voltage." This is know as what?
Ohm's Law
Kirchhoff's Voltage Law
Kirchhoff's Current Law
Bolen's Law
Power is measured in what units?
Ohms
Volts
Amperes
Watts
What is the equation for how to calculate Power?
P=IV
P=VR
V=IP
V=IR
What type of circuit is in this image?
Series
Parallel
Combination
The current going through the 45 ohm resistor is
0.05 amps
200 mA
.02 A
50 mA
The total current going through the battery of this circuit is
350 mA
3.5 mA
5mA
9 A
What is the equivalent resistance of three 10,000 Ω resistors in parallel?
33,333 KΩ
3.1 MΩ
333.333Ω
3.33 KΩ
Calculate the power generated as a 20 A current flows through a 10Ω resistor?
2 KW
200 W
4 kW
400 W
Calculate the voltage applied when a 60 watt light-bulb uses a current of 5 amps
300 volts
30 volts
12 volts
0.08 volts
What is the voltage drop for each resistor?
9 V: all resistors have the same voltage in a parallel circuit
9V: there is only one resistor in this circuit
Split evenly across the three resistors
3v, 4.5v, 1.5v
What is the voltage drop for R3
2 Volts
3 Volts
5 Volts
10 Volts
