Choose the suitable choice for the following sentences. 1. At any resonant circuit the input impedance is ....... a. XL. b. RT. c. XC. 2. The locus of inductive load is a vector in the …... quadrant. a. 4th. b. 2nd. c. 3rd. 3. For non-sinusoidal input signal, the power dissipated in a resistance is equal to ............ a. 2I2R. b. Iav2R. c. Ieff2R.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter15: Alternating Current
Section: Chapter Questions
Problem 4RQ: 4. What is frequency?
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Q.4: Choose the suitable choice for the following sentences.

1. At any resonant circuit the input impedance is ....... a. XL. b. RT. c. XC.

2. The locus of inductive load is a vector in the …... quadrant. a. 4th. b. 2nd. c. 3rd.

3. For non-sinusoidal input signal, the power dissipated in a resistance is equal to ............ a. 2I2R. b. Iav2R. c. Ieff2R.

4. Applying Kirchhoff's laws to RL & RC transient circuits produces Equations of type:a. Time-Depend. b. Time-Variable. c. Differential.

5. The Differential Equations applied RL & RC transient circuits are:a. Third-order b. Second-order c. First-order

6. Electrical energy is stored in ........ a. Inductance. b. Capacitance. c. Both-of-them.

7. .......... is obtained in parallel resonance circuit. a. Vmax. b. Imax. c. Pmax.

8. The total impedance angle is ............ on the frequency of the harmonic.a. Dependent. b. Independent. c. Both-of-them.

9. In transient circuit, the capacitor behaves as ................ when the switch is closed for a long time. a. Short circuit. b. Open circuit. c. Both-of-them.

10. The minimum obtained addmittance locus vector for any circuit is the:a. Smallest vector b. Longest vector c. Non-of-them

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Since you have asked multiple subparts in a single request, we will be answering only the first three question. Incase you need help with the other questions you need to ask them in seperate request.

At resonant frequency, equilibrium of energy transfer took place due to which imaginary part of input impedence is equal to zero. Also input power factor become unity and hence, input impedence is equal to resistance i.e.Rt

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