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CBSE Class 12-science Answered

What is resonance frequency?
Asked by Topperlearning User | 22 Jun, 2015, 10:36: AM
answered-by-expert Expert Answer
Resonance frequency is the vr when XL = XC hence Z = (R2 + 0)1/2 or Z = R, hence impedance is minimum and the current is maximum.
begin mathsize 11px style straight omega subscript straight r equals fraction numerator 1 over denominator square root of LC end fraction end style
Answered by | 22 Jun, 2015, 12:36: 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.
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CBSE 12-science - Physics
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 | 12 Jan, 2019, 10:40: AM
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CBSE 12-science - Physics
What is resonance frequency?
Asked by Topperlearning User | 22 Jun, 2015, 10:36: AM
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What is Acceptor Circuit?
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CBSE 12-science - Physics
What is Q factor?
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CBSE 12-science - Physics
What happens to the circuit with very high Q value?
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CBSE 12-science - Physics
What is a parallel resonance circuit? Why is it called so?
Asked by Topperlearning User | 22 Jun, 2015, 10:42: AM
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CBSE 12-science - Physics
Which circuit is used as filter circuit or rejector circuit and why?
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CBSE 12-science - Physics
Can we have resonance in RL or RC circuit?
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CBSE 12-science - Physics
How can Q factor be improved?
Asked by Topperlearning User | 22 Jun, 2015, 10:50: AM
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