10. A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 ∠0° mA, what is the source voltage expressed in polar form?

(a) 45.6 V (b) 411.3 V (c) 0.411 V (d) 4.11 V

Answer

Answer : (d)

Explanation

Explanation : No answer description available for this question. Let us discuss.

Product Condition: No Defects; Kulshreshtha, D C (Author); English (Publication Language); 880 Pages - 07/01/2017 (Publication Date) - McGraw Hill Education (Publisher)

5555555555 9. A 12 kΩ resistor is in series with a 90 mH coil across an 8 kHz ac source. Current flow in the circuit, expressed in polar form, is I = 0.3 ∠0° mA. The source voltage, expressed in polar form, is ________. (a) 3.84 ∠20.6° V (b) 12.8 ∠20.6° V (c) 0.3 ∠20.6° V (d) 13.84 ∠69.4° V

5555555555 5. A resistor of 3 kΩ, a 0.05 μF capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form? (a) 636 Ω (b) 3,769 Ω (c) 433 Ω (d) 4,337 Ω

5555555555 21. A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately ________. (a) 14 mA (b) 1.4 mA (c) 5 mA (d) 50 mA

5555555555 11. A capacitor with 150 Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is ________. (a) Z = 150 (b) Z = 150 ∠90° Ω (c) Z = 150 ∠–90° Ω (d) Z = 150 ∠180° Ω

5555555555 18. A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 kΩ. Current flow in the circuit is ________. (a) 9.2 mA (b) 92 mA (c) 4.6 mA (d) 460 mA