Electronics - Voltage and Current
Exercise :: Voltage and Current - General Questions
11. |
A voltmeter is used: |
A. |
to measure current | B. |
in series with the circuit | C. |
in parallel with the circuit | D. |
to measure coulombs |
Answer: Option C
Explanation:
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12. |
If the current in a circuit equals 0 A, it is likely that the |
A. |
voltage is too high | B. |
resistance is too low | C. |
circuit has a short | D. |
circuit is open |
Answer: Option D
Explanation:
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13. |
Current equals: |
A. |
 | B. |
coulombs × time | C. |
 | D. |
voltage × time |
Answer: Option A
Explanation:
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14. |
What are the unit and symbol for current? |
A. |
Ampere, A | B. |
Coulomb, I | C. |
Ampere, Q | D. |
Ampere, I |
Answer: Option D
Explanation:
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15. |
Which part of an atom has no electrical charge? |
A. |
Electron | B. |
Neutron | C. |
Proton | D. |
All of the above |
Answer: Option B
Explanation:
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