Electronics - Resistance and Power
Exercise :: Resistance and Power - General Questions
| 41. |
Which type of test equipment is used to measure resistors? |
| A. |
ohmmeter | | B. |
ammeter | | C. |
voltmeter | | D. |
watt meter |
Answer: Option A
Explanation:
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| 42. |
Resistance is: |
| A. |
the opposition to current flow accompanied by the dissipation of heat | | B. |
symbolized by R, measured in ohms, and directly proportional to conductance | | C. |
directly proportional to current and voltage | | D. |
represented by the flow of fluid in the fluid circuit |
Answer: Option A
Explanation:
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| 43. |
Electrical equipment is protected against excessive current by a(n): |
| A. |
fusible wire link | | B. |
insulated glass container | | C. |
metal ended coil | | D. |
circuit opener |
Answer: Option A
Explanation:
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| 44. |
If resistance decreases, then current will: |
| A. |
decrease | | B. |
increase | | C. |
remain the same | | D. |
double |
Answer: Option B
Explanation:
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| 45. |
A wire with a smaller cross-sectional area will produce: |
| A. |
less heat | | B. |
more conductance | | C. |
less resistance | | D. |
more heat |
Answer: Option D
Explanation:
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