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Ldr Final Paper 2026 Authentic Solved Collection

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LDR FINAL PAPER 2026 AUTHENTIC SOLVED COLLECTION

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LDR FINAL PAPER 2026 AUTHENTIC
SOLVED COLLECTION


◉What is an insulator? Answer: An insulator is a material that
resists the flow of electric current, preventing it from passing
through.


◉What is the conduction band? Answer: The conduction band is the
range of electron energy levels in a solid where electrons can move
freely and conduct electricity.


◉What is the valence band? Answer: The valence band is the energy
band in a solid where the electrons are bound to atoms and are not
free to conduct electricity.


◉What is a band gap? Answer: The band gap is the energy difference
between the conduction band and the valence band in a
semiconductor or insulator.


◉What are common applications for an LDR? Answer: Common
applications for an LDR include light sensors, automatic street lights,
and light-activated switches.

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