The potential energy of a particle of mass 1 kg U = 10 + (x-2)^(2). Herer, U is in joule and x in met. On the positive x=axis particle travels up to x=+6cm. Choose the wrong statement.
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Since, current lags behind the voltage in phase by a constant angle, then circuit must contain R and L.
We find that in RL circuit, voltage leads the current by a phase angle
ϕ.
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