Complex AC MCQs
Practice free Complex AC multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 216 questions — no login required.
Question 37easy
In an R-L-C series circuit, R = 10 SI; L = 1H and C = 1 p.F. It is connected to 230 V a.c. source of variable frequency. When the frequency is set to zero, circuit current will be
Question 38easy
In a series RL circuit supplied with 50 V, the circuit current is measured as 100 mA with a phase angle of 250. What is the reactive power supplied to the circuit?
Question 39easy
In the above question, what is the true power supplied to the circuit?
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Question 40easy
A series LC circuit is resonant at 150 kHz and has a Q of 50. What is the bandwidth?
Question 41easy
In the above question, what are the upper (f up) and lower (fio) frequencies of bandwidth?
Question 42easy
An R-L-C series resonant circuit has a Q of 50 and source voltage of 5 V. The voltage Vc across the capacitor is
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