ECE :: Electronic Devices and Circuits
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When a ferromagnetic substance is magnetised, there are small changes in its dimensions. This phenomenon is called
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Gold is often diffused into silicon PN junction devices to
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Assertion (A): FET is a unipolar device.
Reason (R): BJT is bipolar device.
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Ferrites are
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In a p-n-p transistor the main current carriers and the mechanism of flow respectively are
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In common base connection, the output characteristics of a bipolar junction transistor is drawn between
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In fabricating silicon BJT in ICs by the epitaxial process, the number of diffusions used is usually
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Consider the following statements about diamagnetic material and diamagnetism.
- The materials have negative magnetic susceptibility.
- At very low temperature diamagnetic materials.
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