2017 source guide · Physics

NEET 2017 Physics Semiconductor Electronics Questions

Connect the official 2017 paper with current Physics practice without labelling original previews as PYQs.
Practice 200 verified questions →Check official NTA archive ↗
200 original questions · explicit provenance labels
PhysicsPlate 20
NeetVellum atlas · fig. physics
20

What to master

junction diodes, rectification, logic gates and elementary devices.

Original practice preview

These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.

Example 1 · difficulty 2/5

For a p-n junction diode biased in reverse (well below the breakdown voltage), increasing the magnitude of the reverse bias causes the width of the depletion region to:

  • A. increase, because majority carriers on both sides are pulled away from the junction
  • B. decrease, because minority carriers neutralise the exposed immobile ions
  • C. remain unchanged, since the dopant concentration is fixed
  • D. first increase and then decrease, owing to enhanced diffusion of carriers

Example 2 · difficulty 3/5

An LED made from a direct band-gap compound emits light of wavelength 620 nm. Using hc = 1240 eV nm, the band gap of its active material is approximately:

  • A. 0.50 eV
  • B. 2.00 eV
  • C. 1.24 eV
  • D. 3.10 eV

Example 3 · difficulty 4/5

An unregulated 15 V DC source is connected in series with a 200 Ω resistor to a parallel combination of a Zener diode (breakdown voltage 10 V) and a load resistor of 500 Ω. Operating in the breakdown region, the current through the Zener diode is:

  • A. 5 mA
  • B. 20 mA
  • C. 25 mA
  • D. 75 mA

The evidence-first practice loop

  1. 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
  2. 2. Attempt closed-bookExpose the concept or execution gap before rereading.
  3. 3. Repair and returnClassify the miss and re-practice after a delay.

Canonical chapter practice

Semiconductor Electronics →

Frequently asked questions

Are these official NEET 2017 Physics Semiconductor Electronics PYQs?

No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.

How should I use the NEET 2017 paper?

Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.

Built by NeetVellum · original practice, explicit provenance, no fabricated PYQ claims.
NEET 2017 Physics Semiconductor Electronics Questions · NeetVellum