A capacitor is connected to a 240 V supply. An ammeter indicates 3 A. What is the capacitive reactance of the capacitor?
A) 23 Ω
B) 30 Ω
C) 71 Ω
D) 80 Ω
Correct Answer:
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Q3: Three capacitors, a 12 μ F, a
Q4: What is the symbol for capacitive reactance?
A) C
B)
Q5: Two capacitors, a 20 μ F and
Q6: The voltage rating of a capacitor _.
A)
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Q9: When the voltage and current have _ polarities
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Q11: In a circuit containing a capacitor, the
Q12: Two capacitors, a 20 μ F and
Q13: The capacitive reactance of a capacitor is
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