Question: A series RLC circuit is used for measurement of inductance of a coil using resonant method. Resonance conditions are produced by varying the capacitance. A thermoelectric type ammeter is used in series with the circuit. Also an electronic voltmeter is connected across the tuning capacitor
Answer:
MCQ: A series RLC circuit is used for measurement of inductance of a coil using resonant method. Resonance conditions are produced by varying the capacitance. A thermoelectric type ammeter is used in series with the circuit. Also an electronic voltmeter is connected across the tuning capacitor
Correct Answer:
A. The conditions of resonance are more reliably indicated when the ammeter reads maximum
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Related Questions
- 1. If the Q factor of coil which is (w<sub>0</sub> L)/R is measured by varying the frequency
- 2. The Q factor of a coil at the resonant frequency 1.5MHz of an RLC series circuit is 150. The bandwidth is :
- 3. The resonant frequency of an RLC series circuit is 1.5 MHz with the tuning capacitor set at 150pF. The bandwidth is 10 kHz. The effective resistance of the circuit is :
- 4. In a Q meter, distributed capacitance of coil is measured by changing the capacitance of the tuning capacitor. The value of tuning capacitor are C<sub>1 </sub>and C<sub>2 </sub> for resonant frequencies f<sub>1 </sub>and 2f<sub>1 </sub>respectively. The value of distributed capacitance is :
- 5. The true value of Q of a coil is 245 and the measured value is 244.5. the ratio of distributed capacitance to self capacitance if the coil is
- 6. In a Q meter, the value of shunt resistance connected across the oscillator is typically of the order of :
- 7. A transducer converts
- 8. An inverse transducer converts
- 9. One of the following can act as an inverse transducer
- 10. One of the following is an active transducer
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