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The given circuit diagram shows a series LCR circuit linked to a variable frequency 230 V source:
(a) Verify the source frequency which drives the circuit in resonance.
(b) Get the impedance of the circuit and the amplitude of current at the resonating frequency.
(c) Verify the rms potential drops across the three elements of the circuit.
(d) How do you describe the observation that the algebraic sum of the voltages across the three elements obtained in (c) is greater than the supplied voltage?
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a body travelling with uniform acceleration crosses two points A &B with velocities 30m/s & 50m/s the speed of the body at mid point of A&B is approximately?
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Explain 'drift velocity of free electrons'? Derive Ohm's law on the basis of the theory of electron drift.
A charge Q is to be distributed between the objects . what should be the magnitude of the charge on the object so that positive force between the object is maximum?
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