What is the resistance (R) when voltage is 239V and current is 8 Amps? Do NOT include units Round your answer to the tenths place, include a zero if necessary

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Q: Correct me if i am wrong I have studied different formula formula for saturation current.

A: Both are correct.

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Q: which of the following does not increase resistance.

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A: I am attaching detailed solution image of this question.

Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.