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# An electrical device which offers a low resistance to the current in one direction but a high resistance to the current in opposite direction is

$\begin {array} {1 1} (1)\;Current\: Amplifier & \quad (2)\;Oscillator \\ (3)\;Power\: Amplifier & \quad (4)\;Rectifier \end {array}$

Can you answer this question?

(4) Rectifier
answered Nov 7, 2013 by