Discussion
Home ‣ Electronics ‣ Voltage and Current Comments
- Question
A voltmeter is used:
Options- A. to measure current
- B. in series with the circuit
- C. in parallel with the circuit
- D. to measure coulombs
- Correct Answer
- in parallel with the circuit
- 1. Which part of an atom has no electrical charge?
Options- A. Electron
- B. Neutron
- C. Proton
- D. All of the above Discuss
- 2. What do you call a diagram that shows the electrical connections of a circuit's components?
Options- A. A schematic diagram
- B. A pictorial diagram
- C. A block diagram
- D. An electrical diagram Discuss
- 3. 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
- 4. One coulomb passing a point in one second is one:
Options- A. ampere
- B. volt
- C. ohm
- D. charge Discuss
- 5. A voltage will influence current only if the circuit is:
Options- A. open
- B. insulated
- C. high resistance
- D. closed Discuss
- 6. Which unit of charge contains 6.25 × 1018 electrons?
Options- A. An ampere
- B. A coulomb
- C. A volt
- D. A joule Discuss
- 7. Which voltage source converts chemical energy to electrical energy?
Options- A. Electrical generator
- B. Battery
- C. Solar cell
- D. Electronic power supply Discuss
- 8. Which resistive component is designed to be temperature sensitive?
Options- A. Thermistor
- B. Rheostat
- C. Potentiometer
- D. Photoconductive cell Discuss
- 9. The term used to designate electrical pressure is:
Options- A. voltage
- B. current
- C. resistance
- D. conductance Discuss
- 10.
What does P2 equal in the given circuit?
Options- A. 45 mW
- B. 405 mW
- C. 450 mW
- D. 900 mW Discuss
Voltage and Current problems
Search Results
Correct Answer: Neutron
Correct Answer: A schematic diagram
Correct Answer: water flow
Correct Answer: ampere
Correct Answer: closed
Correct Answer: A coulomb
Correct Answer: Battery
Correct Answer: Thermistor
Correct Answer: voltage
Correct Answer: 405 mW
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