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# Electrical Engineering - RC Circuits

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### Exercise

"I do not seek. I find."
- Pablo Picasso
1.

In the complex plane, the number 14 – j5 is located in the

2.

Point +4 on the complex plane is

 A. 4 units above the origin on the j axis B. 4 units below the origin on the j axis C. 4 units right of the origin on the real axis D. 4 units left of the origin on the real axis

3.

A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is

 A. 212 B. 2.12 mS + j3.14 mS C. 3.14 mS + j2.12 mS D. 318.3

4.

A positive angle of 30° is equivalent to a negative angle of

 A. –30° B. –330° C. –60° D. –180°

5.

In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is

 A. 3 V B. 27 V C. 19.2 V D. 1.9 V