| 1. | Determine the capacitive susceptance (in Siemens) of a circuit if the capacitance of the circuit is 0.08 mF and supplied with a 50 Hz frequency ? | |
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0.025
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0.034
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0.046
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0.064
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Report Question| 2. | What will be the transient time (in seconds) of a series RC circuit when the value of the capacitance is 600 microfarad and the value of the resistance is 20 kilo-Ohms ? | |
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10
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12
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14
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16
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| 3. | What will be the resonant frequency (in kHz) of a tank circuit when the capacitance and inductance of the circuit is 0.04 mF and 0.04 mH respectively ? | |
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8
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6
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4
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1
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| 4. | Multimetres cannot measure the value of ? | |
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voltage
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current
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resistance
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phase angle
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| 5. | Which of the following statement is TRUE ? | |
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A galvanometer can be converted into ammeter by connecting a low value of resistance in series with the galvanometer.
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A galvanometer can be converted into ammeter by connecting a low value of resistance in parallel with the galvanometer.
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A galvanometer can be converted into ammeter by connecting a high value of resistance in series with the galvanometer.
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A galvanometer can be converted into ammeter by connecting a high value of resistance in parallel with the galvanometer.
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| 6. | Which of the statement is TRUE about megger ? | |
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Megger is used for the measurement of voltage.
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Megger is used for the measurement of current.
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Megger is used for the measurement of insulation resistance.
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Megger is used for the measurement of breakdown voltage of insulation.
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| 7. | Which of the following bridge is most suitable for the measurement of inductance of a coil ? | |
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Owens Bridge
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Schering Bridge
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Wiens Bridge
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Wheatstone Bridge
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| 8. | Determine the required value of series resistance (in Ohms) to convert a galvanometer into a voltmeter of reading 0.4 volt range when the resistance of the galvanometer is 40 ohms and the value of current for full-scale deflection is 4 mA ? | |
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60
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50
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40
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30
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| 9. | What will be the sensitivity (in Ohms/volts) of a PMMC type voltmeter when the full-scale reading of the voltmeter is 240 V, the internal resistance of the voltmeter is 200 kilo-Ohms and the series resistance connected to the voltmeter is 80 kilo-Ohms ? | |
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1672.62
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1432.23
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1224.24
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1166.67
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| 10. | What will be the value of reactive power (in VAR) of a circuit having power factor of 0.5, when the apparent power of the circuit is 80 A ? | |
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48
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69.6
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78.3
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84
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