Electricity And Ohms Law Questions
9 Questions
| Attempts: 1318
Material on Ohm's Law, Voltage, Current, and Resistance.
Questions and Answers
- 1.What is the unit for voltage?
- A.
Volts
- B.
Amperes
- C.
Ohms
- D.
Joules
- 2.What is the unit for current?
- A.
Volts
- B.
Amperes
- C.
Ohms
- D.
Joules
- 3.What is the unit for resistance?
- A.
Volts
- B.
Amperes
- C.
Ohms
- D.
Joules
- 4.Which of these is the equation for Ohm's Law?
- A.
W = Fd
- B.
V = IR
- C.
R = IV
- D.
PE = mgh
- 5.A certain steam iron carries a current of 6.4 A when connected to a 120 V source. What is the resistance of the steam iron?
- A.
1.875 Ω
- B.
0.05 Ω
- C.
768 Ω
- D.
18.75 Ω
- 6.The resistance of a hotplate is 48 Ω . How much current does the plate carry when connected to a 120-V source?
- A.
120 A
- B.
2.5 A
- C.
5760 A
- D.
0.4 A
- 7.A typical size-D battery has about how many volts?
- A.
0.05 V
- B.
100 V
- C.
1.5 V
- D.
9 V
- 8.Voltage is a measurement of what?
- A.
Radiant energy of a lightbulb in a circuit
- B.
Kinectic energy of a motor in a circuit
- C.
Potential energy stored in a battery
- D.
The flow of electrons
- 9.Electrical Power is measured in :
- A.
Watts
- B.
Amperes
- C.
Volts
- D.
Meters
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