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Which on the following is not a type of isolation amplifier?(a) capactively coupled isolation amplifiers(b) optically isolated isolation amplifiers(c) resistive coupled isolation amplifiers(d) transformer type isolation amplifiers |
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Answer» The correct answer is (c) resistive coupled isolation amplifiers Best explanation: There is nothing such as the resistive coupled isolation amplifiers. All the other three types are in common use, though the transformer isolation amplifier is more popular. Opto-coupled amplifier uses a minimum number of components and is cost effective, followed by the transformer coupled amplifier. The capacitor coupled amplifier is the most expensive. |
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