| 1. | At resonant frequency, the impedance of the series RLC circuit is ? | |
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purely resistive
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purely inductive
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purely capacitive
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zero
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Report Question| 2. | Which of the following represents the relation between the peak and average value of current for a sine wave ? | |
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Iavg = 0.707Ip
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Iavg = 1.414Ip
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Iavg = 0.874Ip
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Iavg =0.637Ip
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| 3. | In a parallel resonant circuit, the input impedance of the circuit is ? | |
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maximum
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minimum
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zero
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infinite
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| 4. | Determine the average value of alternating current (in A) when the peak value of current is 14 A. ? | |
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8.92
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6.56
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4.26
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2.94
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| 5. | What will be the total impedance (in Ohms) of a series RLC circuit, when the resistance of the circuit is 12 ohms, capacitive reactance of the circuit is 3 Ohms and the inductive reactance of the circuit is 8 Ohms connected in series with a 220 V, 50 Hz supply ? | |
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10
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12
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13
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15
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| 6. | Determine the capacitive reactance (in Ohms) of a series resonant circuit, when the circuit is supplied by a frequency of 50 Hz and having a capacitance of 0.04 mF ? | |
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65.65
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79.62
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82.26
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84.64
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| 7. | What will be the resonant frequency (in kHz) of a tank circuit, when the capacitance and inductance of the circuit is 0.06 mF and 0.06 mH respectively ? | |
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1.45
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1.85
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2.65
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3.25
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| 8. | Calculate the value of capacitance (in mF) connected in parallel with a inductance of 3 H, when the resonant frequency of the circuit is 4 rad/sec ? | |
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12.63
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15.62
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18.55
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20.83
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| 9. | What will be the transient time (in seconds) of a series RC circuit, when the capacitance of the circuit is 8 mF and the resistance of the circuit is 8 kilo-Ohms ? | |
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64
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52
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44
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36
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| 10. | De Sauty’s Bridge is most suitable for the measurement of ? | |
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resistance
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inductance
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capacitance
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frequency
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