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We report an experimental investigation of the electric response ofsuperfluid helium. Our results confirm the presence of electric potential thatappears at the relative oscillatory motion of normal fluid and superfluidcomponents in helium generated by the heater. The resonance of the electricpotential was observed in the first four harmonics. A suggested method for thedetection of the electric response allows the required resonance peak to bedistinguished from spurious signals. Our results are in qualitative agreementwith the data published by previous researchers. The reasons for thediscrepancy in the measured values of the potential difference are discussed.

A Study of the Electric Response of He II at the Excitation of Second Sound Waves