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Electronics - Resistance and Power

Exercise : Resistance and Power - General Questions
56.
After a lamp is turned on, its filament resistance will change to become:
less resistive
cooler
brighter
more resistive
Answer: Option
Explanation:
No answer description is available. Let's discuss.
57.
Wirewound resistors are usually used in circuits that have:
high current
negative temperature coefficients
low power
high voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
58.
How is power dissipated in a resistor?
by resistance
by voltage
by current
by heat
Answer: Option
Explanation:
No answer description is available. Let's discuss.
59.
Resistance in a circuit is:
opposition to current
opposition to voltage
the same as current
the same as voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
60.
The unit designator for resistance value is the:
ampere
ohm
volt
watt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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