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Resonance In Lcr Circuit Free Doubts and Solutions

CBSE - XII Science - Physics - Alternating Current

A sinusoidal voltage of peak value 10 V is applied to a series LCR circuit in which resistance capacitance and inductance have value of 10ohm, 1µF and 1H respectively .find (i)the frequency which drives the circuit at resonance (ii)quality factor of the circuit.

Asked by rohitraman1115 12th January 2019, 10:40 AM
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CBSE - XII Science - Physics - Alternating Current

what is sharpness of resonance and graph between current and frequency for two different series lcr circuits

Asked by HARPRIYA 5th September 2017, 8:44 PM
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CBSE - XII Science - Physics - Alternating Current

What is the principle of a transformer??

Asked by pksunilnair 26th August 2017, 7:12 PM
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CBSE - XII Science - Physics - Alternating Current

Value of power factor of L.C.R circuit which is in the state of resonance?

Asked by Anshul 14th August 2017, 9:18 PM
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CBSE - XII Science - Physics - Alternating Current

Instantaneous EMF of A.C source is given by E=300 sin314t.What is the value of Erms?

Asked by Anshul 14th August 2017, 9:16 PM
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CBSE - XII Science - Physics - Alternating Current

If the effective value of current in 50Hz A.c circuit is 5 Ampere.What is the peak value of current value of current 1/300 second  after it was zero?

Asked by Anshul 14th August 2017, 9:14 PM
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CBSE - XII Science - Physics - Alternating Current

Could you plaese tell me all the derivations of Physics chapterwise as per CBSE BOARD along with their priority?

Asked by Jyoti Chandra Azad 5th December 2015, 7:18 PM
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CBSE - XII Science - Physics - Alternating Current

An inductor 200 mH, a capacitor of 500 μF and a resistor of 10 Ω are connected in series to a 100 V, variable frequency a.c. source. Calculate the (i) frequency at which the power factor of the circuit is unity (ii) current amplitude at this frequency (iii) Q-factor.

Asked by Topperlearning User 22nd June 2015, 12:49 PM
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CBSE - XII Science - Physics - Alternating Current

Find the Q factor given LCR for a circuit as 2 H, 10 F, 10 Ω.

Asked by Topperlearning User 22nd June 2015, 10:56 AM
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CBSE - XII Science - Physics - Alternating Current

How can Q factor be improved?

Asked by Topperlearning User 22nd June 2015, 10:50 AM
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CBSE - XII Science - Physics - Alternating Current

Can we have resonance in RL or RC circuit?

Asked by Topperlearning User 22nd June 2015, 10:43 AM
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CBSE - XII Science - Physics - Alternating Current

Which circuit is used as filter circuit or rejector circuit and why?

Asked by Topperlearning User 22nd June 2015, 10:43 AM
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CBSE - XII Science - Physics - Alternating Current

What is a parallel resonance circuit? Why is it called so?

Asked by Topperlearning User 22nd June 2015, 10:42 AM
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CBSE - XII Science - Physics - Alternating Current

What happens to the circuit with very high Q value?

Asked by Topperlearning User 22nd June 2015, 10:37 AM
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CBSE - XII Science - Physics - Alternating Current

What is Q factor?

Asked by Topperlearning User 22nd June 2015, 10:37 AM
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CBSE - XII Science - Physics - Alternating Current

What is Acceptor Circuit?

Asked by Topperlearning User 22nd June 2015, 10:37 AM
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CBSE - XII Science - Physics - Alternating Current

What is resonance frequency?

Asked by Topperlearning User 22nd June 2015, 10:36 AM
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CBSE - XII Science - Physics - Alternating Current

1.does the current in an AC circuit lags,leads remains in phase with the voltage of frequency (f) applied to the circuit, when 
(i)f=fr   (ii)f<fr   (iii) f>fr,where fr is the resonant frequency?
 
2.what happens to the focal length of lens when it is immersed in water?

Asked by Karishma 7th March 2015, 10:33 PM
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