Quality Factor Or Q-Factor In AC Circuit objective questions (mcq) and answers


46.  Higher the Q of a series circuit


   A. Broader its resonance curve

   B. Narrower its pass band

   C. Greater its bandwidth

   D. Sharper its resonance


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B. Narrower its pass band

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47.  Q-factor of a parallel resonant circuit is


   A. 2 Π fr/ bandwidth

   B. 2 Π × maximum stored energy/energy dissipated per cycle

   C. Maximum stored energy/energy dissipated per cycle

   D. None of the above


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B. 2 Π × maximum stored energy/energy dissipated per cycle

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48.  A high Q coil has


   A. Large bandwidth

   B. High losses

   C. Low losses

   D. Flat response


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C. Low losses

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49.  When Q-factor of a circuit is high, then


   A. Power factor of the circuit is high

   B. Impedance of the circuit is high

   C. Bandwidth is large

   D. None of these


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B. Impedance of the circuit is high

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50.  Higher the Q of a series circuit, narrower its


   A. Passband

   B. Resonance curve

   C. Bandwidth

   D. All of these


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D. All of these

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