Resonance In AC Circuit objective questions (mcq) and answers


41.  In order to tune a parallel resonant circuit to a lower frequency, the capacitance must


   A. Be increased

   B. Be decreased

   C. Be zero

   D. Remain the same


✔ View Answer


A. Be increased

✍ Your Comments

Your name:

Your Email:

Your Comments:



42.  The dynamic resistance of a parallel resonant circuit is given by


   A. LC/RL

   B. LCRL

   C. C/LRL

   D. L/CRL


✔ View Answer


D. L/CRL

✍ Your Comments

Your name:

Your Email:

Your Comments:



43.  A resonance curve for a series circuit is a plot of frequency versus


   A. Current

   B. Voltage

   C. Impedance

   D. Reactance


✔ View Answer


A. Current

✍ Your Comments

Your name:

Your Email:

Your Comments:



44.  Selectivities of different resonance circuits are compared in terms of their


   A. Impedances

   B. Reactances

   C. Frequencies

   D. Bandwidths


✔ View Answer


D. Bandwidths

✍ Your Comments

Your name:

Your Email:

Your Comments:



45.  A parallel AC circuit in resonance will


   A. Have current in each section equal to the line current

   B. Have a high voltage developed across each inductive and capacitive section

   C. Act like a resistor of low value

   D. Have a high impedance


✔ View Answer


D. Have a high impedance

✍ 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