What is the inductive reactance for steady direct current?
A) 600 ?
B) 75 ?
C) ? ?
D) 0 ?
Correct Answer:
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Q13: With iron-core coils, the hysteresis and eddy-current
Q14: For an inductor, the induced voltage VL
Q15: Frequency is equal to
A) 2p x T
B)
Q16: When alternating current flows in an inductance,
A)
Q17: XL equals
A) 1/2?fL
B) 2?fL
C) 2?/fL
D) f/2?L
Q19: Which of the following is not an
Q20: What results from an inductor's counter emf
Q21: The polarity of a coil's counter emf
Q22: Inductive reactance only applies to
A) direct current
B)
Q23: How much is the XL for a
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