Which circuit below has the diode in the proper place to provide flyback protection for switching the inductive load on and off?
A.
B.
C.
D.
E. None of the circuits above is properly set up for flyback protection.
Answer: B
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La secuencia del contactor para el circuito que se muestra en la Figura 2 es tal que el/los contactor(es) _____ se energiza(n) durante la transiciĆ³n de funcionamiento de voltaje reducido a funcionamiento de voltaje completo.
a. 1S b. 2S c. 1S y 2S d. 2S y R
A person trained to design where structures go and how the structures are built is a _____
a. landscape novice c. landscape designer b. landscape contractor d. landscape architect
On which civilization's mathematical approach to architecture is the triangular form based?
a. Greek c. Chinese b. Egyptian d. American
Provide an example to illustrate why a three-wire system uses less copper than a two-wire system.
What will be an ideal response?