Electricity: Ohm's law
a year ago
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• Question 1
60 seconds
Q. What is current measured in?
Ω (Ohms)
V (Volts)
A (Amps)
W (Watts)
• Question 2
60 seconds
Q. What is resistance measured in?
Ω (Ohms)
V (Volts)
A (Amps)
W (Watts)
• Question 3
60 seconds
Q. What is Resistance?
The flow of electrons
Electric potential difference
A battery
The ability to reduce the flow of electrons
• Question 4
60 seconds
Q. Electricity that flows in a closed path is called a
path
current
circuit
light
• Question 5
30 seconds
Q.

Voltage divided by Resistance

(V / R)

Current

Power

Ohms

Watts

• Question 6
60 seconds
Q. Current times Resistance equals
(I X R)
Power
Voltage
Amperage
Ohm
• Question 7
60 seconds
Q.

Voltage divided by Current

(V / I)

Current

Power

Resistance

Watts

• Question 8
60 seconds
Q. If the Voltage is increased and the resistance stays the same, Current will
Increase
Decrease
Stay the same
X
• Question 9
60 seconds
Q. If the Voltage stays the same and Resistance is increased, Current will
Increase
Decrease
Stay the same
X
• Question 10
60 seconds
Q. What size resistor would produce a 3 Amp current flow with a 12 Volt battery
1 Ohm
3 Ohms
4 Ohms
12 Ohms
• Question 11
30 seconds
Q. How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
10 volts
1 volt
48 volts
5 volts
• Question 12
30 seconds
Q. What size resistor would produce a 3 Amp current flow with a 12 Volt battery
1 Ohm
3 Ohms
4 Ohms
12 Ohms
• Question 13
60 seconds
Q. The plastic covering is there to:
Provide a conductor for electrical energy to flow.
Provide an insulator so that electrical energy will not pass outside of the wires.
Provide a conductor so that electrical energy can NOT flow.
Provide an insulator so that electrical energy can flow.
• Question 14
30 seconds
Q. Factor which does not affect the resistance
Type of material
Length of material
Mass of the material
Area of the material
• Question 15
300 seconds
Q. This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
3 Amps
192 Amps
2 Amps
4 Amps
• Question 16
120 seconds
Q.

What is the name for the pressure that forces electrons to flow through a circuit?

Voltage

Capacitance

Resistance

Current

• Question 17
180 seconds
Q. 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
• Question 18
30 seconds
Q. What is this symbol?
resistor
switch
battery
bulb
• Question 19
30 seconds
Q. If you decreases the resistance of a circuit, what happens?
Current decreases
Current increases
Electrons disappear
Bulbs get brighter
• Question 20
30 seconds
Q. If you increase the voltage of a circuit, what happens?