Have an account?
Skip to Content
Build your own quiz
Suggestions for you
21 questions
Show Answers
See Preview
- 1. Multiple Choice
Which is more dangerous: DC or AC?
DC
AC
- 2. Multiple Choice
What is Ohm's Law?
V = IR
E = mc2
R1 + R2 + R3...RN-1 + RN-2...
All of the above
- 3. Multiple Choice
When voltage increases, current_________.
increases
decreases
- 4. Multiple Choice
Who invented the electrical battery?
Georg Ohm
Nikola Tesla
Alessandro Volta
Michael Faraday
- 5. Multiple Choice
How do you find the Rtot, or resistance total in a series circuit?
Add up all the resistors' values.
Multiply all the resistors' values.
Divide all the resistors' values.
Subtract all the resistors' values.
- 6. Multiple Choice
Is the circuit shown above series or parallel?
parallel
series
- 7. Multiple Choice
How do you calculate resistance in a circuit?
R = V/I
R = I ⋅ V
R = I/V
R = V + I
- 8. Multiple Choice
What is Coloumb's Law?
F = kq1q2/r2
F = q1q2 + r2
F = m × a
F = q1/q2
- 9. Multiple Choice
Which type of current oscillates back and forth?
Direct Current(DC)
Alternating Current(AC)
- 10. Multiple Choice
What is this component?
Diode
Anode
Light Emmiting Diode(LED)
Variable Resistor
- 11. Multiple Choice
In a circuit, what is the formula for power, and what is it measured in?
P = IV, Ohms
P = IR, Joules per second
P = IV, Watts
P = IRV, Watts
- 12. Multiple Choice
What are two BOTH good magnetic materials?
Copper and Iron
Bronze and Iron
Copper and Steel
Steel and Iron
- 13. Multiple Choice
In the image shown above, calculate the equivalent resistance and the total current in the circuit.
Req = 5k Ohms, It = 2 mA
Req = 2k Ohms, It = 5 mA
Req = 4k Ohms, It = 40kA
Req= 2 Ohms, It = 5 A
- 14. Multiple Choice
What is the SI unit for capacitance?
Volts
Amperes
Farads
Ohms
- 15. Multiple Choice
Which of the following is the symbol for an AC power system?
- 16. Multiple Choice
Which of the following are DRY cell batteries?
Lead-Acid Batteries
Car Batteries
Lithium-Ion Batteries
Zinc-Carbon Batteries
- 17. Multiple Choice
How does conventional current flow?
cathode (negative) to anode (positive)
anode (positive) to cathode (negative)
- 18. Multiple Choice
If the switch is closed shown in the image above, will the load, or bulb light up?
no
yes
It depends on the situation
none of the above
- 19. Multiple Choice
In a permanent magnet, which way do the arrows in the magnetic field lines point?
south to north
north to south
- 20. Multiple Choice
How does the polarity of an LED affect it?
It doesnt't allow current to flow at all.
It allows current to flow in two directions.
It only allows current to flow in one direction.
None of the above
- 21. Multiple Choice
According to the resistor color code, what is the tolerance for gold?
10%
5%
0.25%
1%
- Answer choicesTagsAnswer choicesTags