Question

An RLC series circuit is fed form 100 V ac supply. Inductance is 1 H and Q = 7.5. At resonance, the voltage across inductance is

a.

750 V

b.

100 V

c.

about 13.5 V

d.

1500 V

Answer: (a).750 V

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. An RLC series circuit is fed form 100 V ac supply. Inductance is 1 H and Q = 7.5. At resonance, the voltage across inductance is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. As temperature increases, the temperature coefficient of a metal

Q. A wire has a resistance R ohm. If another wire of the same material and same weight has double the diameter (as compared to the first wire), the resistance of the second wire will be

Q. When cells having different emfs are connected in parallel, a circulating current flows.

Q. In a specimen of cast iron, a field strength of 400 AT/m cause a flux density of 0.6 T. In a specimen of silicon steel, the same value of H would cause B to be

Q. The realization of a term K₀/s in the impedance function will give

Q. An RL admittance function can also be realized as

Q. In an R-C circuit, the impedance is 40 Ω at a frequency of 100 Hz. At 200 Hz the impedance should be

Q. An RL series circuit has an impedance of 20 Ω when frequency is 25 Hz. At f= 50 Hz, the impedance will be

Q. In active filters inductances are divided because they

Q. Three resistance of 15 Ω each are connected in delta. The resistance of equivalent star will have a value of

Q. In a varistor the v-i graph is linear.

Q. The function Z(s) has a pole at infinity if

Q. An input voltage V(t) = 10 √2 cos (t + 10°) + 10 √3 cos (2t + 10°)V is applied to a series combination of resistance R = 1 kΩ inductance L = 1H. The resulting steady-state current i(t) in ampere is

Q. A thermal power plant has an efficiency of 0.4. If 0.6 kg of coal is burnt to generate 1 kWh, the calorific value of coal is

Q. An RC series circuit has R = 20 Ω and XC = 20 Ω. Then Z =

Q. An inductance having XL = 5 Ω and a capacitance having XC = 5 Ω are connected in parallel across 100 V, 50 Hz supply. The current drawn from source is

Q. The frame of electric motor is connected to three plates having earthing resistance of 10 Ω, 20 Ω and 30 Ω respectively. The materials of the three plates are copper, aluminium and iron respectively. The percentage of energy dissipated by 10 Ω earthing plate

Q. A series R-L circuit has R = 1 Ω and L = 1 H. It is excited by a V battery at t = 0. The steady state condition is reached at

Q. In a purely inductive circuit, the current __________ the voltage by __________ .

Q. In an RL series circuit the inductance is 1H and current at an instant is 0.6 A. The energy stored in magnetic field is

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!