Example 1 · difficulty 1/5
Which expression defines the magnitude of mobility μ of charge carriers in terms of drift speed v_d and electric-field magnitude E?
- A. μ = E/v_d²
- B. μ = v_d/E
- C. μ = Ev_d
- D. μ = 1/(Ev_d)
2019 source guide · Physics
NEET 2019 Physics Current Electricity Questions
Use this page to connect the official 2019 paper with current Physics practice. NeetVellum does not claim a chapter appeared in that paper until the official question and final key have been mapped.
What to master
circuits, cells, resistance combinations, metre bridges and electrical power.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 2/5
If n is the number of free electrons per unit volume and v_d is the magnitude of their drift velocity, which expression gives the magnitude of current density?
- A. J = eAv_d
- B. J = nAv_d
- C. J = nev_d
- D. J = neA/v_d
Example 3 · difficulty 2/5
For an isotropic ohmic conductor, which relation is the microscopic form of Ohm's law? Here J is current density, E is electric field and σ is conductivity.
- A. J = E/σ²
- B. J = σ/E
- C. J = E²/σ
- D. J = σE
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2019 Physics Current Electricity 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 2019 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.