AC Circuit objective questions (mcq) and answers


21.  Unit of reactive power is


   A. VA

   B. Watt

   C. VAR

   D. Ohm


✔ View Answer


C. VAR

✍ Your Comments

Your name:

Your Email:

Your Comments:



22.  Skin effect occurs when a conductor carries current at.......... frequencies


   A. Very low

   B. Low

   C. High

   D. None of the above


✔ View Answer


C. High

✍ Your Comments

Your name:

Your Email:

Your Comments:



23.  With the increase in applied frequency, the dielectric loss in a material will


   A. Increase

   B. Decrease

   C. Remain constant

   D. Become zero


✔ View Answer


A. Increase

✍ Your Comments

Your name:

Your Email:

Your Comments:



24.  Real part of admittance is.......... and the imaginary part is........


   A. Impedance, resistance

   B. Resistance, impedance

   C. Susceptance, inductance

   D. Conductance, Susceptance


✔ View Answer


D. Conductance, Susceptance

✍ Your Comments

Your name:

Your Email:

Your Comments:



25.  Capacitive Susceptance is a measure of


   A. A purely capacitive circuit's ability to pass current

   B. A purely capacitive circuit's ability to resist the flow of current

   C. The extent of neutralisation of reactive power in a circuit

   D. Reactive power in a circuit


✔ View Answer


A. A purely capacitive circuit's ability to pass current

✍ Your Comments

Your name:

Your Email:

Your Comments:






< 1 2 3 4 5 6 7 8 9 10 Next>






Enter Your Suggestion/Comments Here










Can't read the image? Click here to refresh