Briefly describe what causes the armature to act as a generator in the process of dynamic braking.

What will be an ideal response?


As the armature is disconnected from the power source, a dynamic braking resistor is connected across the armature. The armature is still spinning and the shunt field is still energized, so the armature acts as a generator.

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Electrician tool ____ are sets of common tools for electricians to use.

a. kits b. boxes c. cases d. bags

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Explain what stirrups in a reinforced concrete beam are and their function.

What will be an ideal response?

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What are the two ways bimetal thermostats have of making a good connection when the thermostat closes?

What will be an ideal response?

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Which of the logic families listed below allows the highest operating frequency?

A) HCMOS B) ECL C) 74AS D) 54S

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