Question

Explain why the answers are correct?

5. In an AC circuit, ∆VC and ∆VCircuit are always:

(a) In phase

(b) 180◦ out of phase

(c) 90◦ out of phase

(d) None of the above

7. Consider a capacitor and resistor in an AC series circuit. Does ∆VC ever become zero?:

(a) No

(b) Yes

9. As frequency increases in a RC series circuit, ∆VRrms :

(a) Approaches zero

(b) Approaches ∆VSourcerms.

(c) None of the above

4. In lab, when the frequency was increased for an AC circuit composed of resistors in series, the current:

(a) Changed

(b) Remained the same

5. Momentum exchange between electrons is a parameter that determines the resistivity of a wire:

(a) Incorrect

(b) Correct.  

6. The root mean square (rms) quantity for an alternating electric potential is:

(a) Greater than the average of electrical potential

(b) Less than the average of AC electrical potential

(c) Zero

7. An oscilloscope returns the electric potential difference from the probe relative to:

(a) The voltage source

(b) Ground

(c) None of the above

Answer 1

Dear student,
Find this solution, and RATE IT ,If you find it is helpful .your rating is very important to me.If any incorrectness ,kindly let me know I will rectify them soon.
Thanks for asking ..