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At what frequency is a 2000 pF capacitor operating if its reactance is 745 Ω?

Question 11 

At what frequency is a 2000 pF capacitor operating if its reactance is 745 Ω? 

1.01 kHz 

1010 Hz 

107 kHz 

10.1 kHz 


Question 12 

If a 22 μF capacitor is connected to a 15 V, 400 Hz source, and its current equals _______ 

829 mA 

1.81 A 

18.1 mA 

55 mA 

engineering   Electrical-Engineering   
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