Discussion
Home ‣ Electronics ‣ Voltage and Current Comments
- Question
Current equals:
Options- A.
- B. coulombs × time
- C.
- D. voltage × time
- Correct Answer
-
- 1. What is the name of the pressure that moves electrons in a closed circuit?
Options- A. amperes
- B. ohms
- C. voltage
- D. coulombs Discuss
- 2. If 40 C of charge flow past a point in 20 s, what is the current?
Options- A. 2 A
- B. 0.5 A
- C. 20 A
- D. 40 A Discuss
- 3. Current is:
Options- A. the presence of a positive charge
- B. the abundance of electrons
- C. the movement of electrons
- D. the repulsion of electrons Discuss
- 4. Primary batteries, unlike secondary batteries, may be:
Options- A. charged once
- B. used once
- C. recharged over and over
- D. stored indefinitely Discuss
- 5. The basic difference between a fuse and a circuit breaker is
Options- A. a fuse is slower
- B. a fuse is reusable
- C. a circuit breaker is reusable
- D. a circuit breaker is more reliable Discuss
- 6. What type of switch is this?
Options- A. push button
- B. SPST
- C. DPDT
- D. SPDT Discuss
- 7. A lead-acid battery is an example of a
Options- A. solar cell
- B. fuel cell
- C. primary battery
- D. secondary battery Discuss
- 8. A voltage will influence current only if the circuit is:
Options- A. open
- B. insulated
- C. high resistance
- D. closed Discuss
- 9. One coulomb passing a point in one second is one:
Options- A. ampere
- B. volt
- C. ohm
- D. charge Discuss
- 10. If an electrical system is compared to a fluid system, the electrical current corresponds to the:
Options- A. pressure
- B. pump
- C. water wheel
- D. water flow Discuss
Voltage and Current problems
Search Results
Correct Answer: voltage
Correct Answer: 2 A
Correct Answer: the movement of electrons
Correct Answer: used once
Explanation:
Primary batteries (disposable batteries), which are designed to be used once and discarded when they are exhausted.
Secondary batteries (rechargeable batteries), which are designed to be recharged and used multiple times.
Secondary batteries (rechargeable batteries), which are designed to be recharged and used multiple times.
Correct Answer: a circuit breaker is reusable
Correct Answer: SPDT
Correct Answer: secondary battery
Correct Answer: closed
Correct Answer: ampere
Correct Answer: water flow
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