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Energy Band Gap

Product Code : SCL-EE-12343

Quick Answer: The Energy Band Gap apparatus is a semiconductor physics instrument for determining the energy band gap of a semiconductor diode from its temperature-dependent electrical behaviour.

Last updated: October 2026

Key Features

Determines the energy band gap of a semiconductor diode.
Records diode current against temperature.
Covers PN junction behaviour, reverse saturation current and temperature dependence.
Students plot a graph and calculate the band gap from its slope.

About This Product

The apparatus links the idea of the forbidden energy gap with readings taken from a diode-based setup. Once the diode is connected, temperature and corresponding current readings are taken at regular intervals, and the slope of the plotted graph gives the energy band gap. It is used under teacher supervision for demonstrations and student practicals in physics and electronics labs.

Frequently Asked Questions

Q1. How is the band gap value obtained?
Temperature and corresponding current readings are recorded at regular intervals and plotted as a graph. The slope of that graph is used to calculate the semiconductor energy band gap.

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Energy Band Gap

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