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CBSE Class 12-science Answered

what is the power associated with LC circuit .Explain
Asked by Jinu sony | 30 Oct, 2013, 06:41: PM
answered-by-expert Expert Answer
The source of energy is the alternating current in LC circuit.
Power for the AC circuit is given by,
Answered by Komal Parmar | 19 Nov, 2013, 12:23: PM

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CBSE 12-science - Physics
The value of instantaneous voltage received from a.c. source is given by following equation, V = 200-√2 sin 314t volt, then find the root mean square value of the source?
Asked by divyanshsahu109 | 11 Mar, 2024, 05:57: PM
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CBSE 12-science - Physics
An inductor, a capacitor and a resistor are connected in series across an ac source of voltage. If the frequency of the source is decreased gradually. the reactance of: (a) both the inductor and the capacitor decreases. (b) inductor decreases and the capacitor increases. (c) both the inductor and the capacitor increases. (d) inductor increases and the capacitor decreases.
Asked by paresh0311 | 06 Mar, 2023, 04:42: PM
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CBSE 12-science - Physics
What is a choke coil? Write its principle
Asked by akhilverma471001 | 27 Dec, 2022, 10:14: PM
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CBSE 12-science - Physics
A motor drill draws 3.5 A current at the power line voltage 120 V(RMS). What is the motor's power if the current lags the voltage by 20 degrees?
Asked by arjunsah797 | 29 Mar, 2022, 07:25: AM
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CBSE 12-science - Physics
A series LCR circuit with a 100 ohm resistor dissipates 80 W when attached to a 120 V, 60 Hz power line. What is the power factor?
Asked by arjunsah797 | 27 Mar, 2022, 08:00: PM
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CBSE 12-science - Physics
The required no-load ratio in a 1 -phase 50 Hz core type transformer is 6000/250 V. Find the no. of turns in each winding if the flux is to be about 0.06 wbs.
Asked by saivardhanreddy15022003 | 11 Mar, 2022, 06:47: PM
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CBSE 12-science - Physics
tan Phi = XL-XC/R, what is Tan Phi called here
Asked by sky11841 | 08 Sep, 2021, 10:04: PM
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CBSE 12-science - Physics
transformer
Asked by mohitverma1017sn | 30 Dec, 2020, 08:57: PM
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CBSE 12-science - Physics
a horizontal straight wire 10m long extending from east to west is falling with a speed of 5m/s at right angles to the horizontal component of the earth magnetic field 0.30  
Asked by a_k_garg | 11 Oct, 2020, 10:38: AM
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CBSE 12-science - Physics
Prove that an ideal inductor does not dissipate power in an A.C circuit.
Asked by rishicool0205 | 19 Aug, 2020, 02:20: PM
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