NUST NET Physics — Electromagnetism
Electromagnetism is part of the FSc Physics course that NUST NET-Engineering draws on (Physics is 60 of the 200 MCQs). It breaks into 3 subtopics, and we hold 65 NET-pattern practice MCQs on it, each with a written explanation. Tap a subtopic below to practise just that.
Subtopics (3)
How Electromagnetism is tested
Across the 8 NET-pattern papers on ParhaiKrlo, Electromagnetism accounts for 27 questions. It appears in all 8, about 3.4 questions a paper. The heaviest was NUST NET Past Paper 07, with 4 questions.
| Paper | Questions |
|---|---|
| NUST NET Past Paper 07 | 4 |
| NUST NET Past Paper 08 | 4 |
| NUST NET Past Paper 05 | 4 |
| NUST NET Past Paper 06 | 3 |
| NUST NET Past Paper 03 | 3 |
| NUST NET Past Paper 04 | 3 |
| NUST NET Past Paper 01 | 3 |
| NUST NET Past Paper 02 | 3 |
Electromagnetism MCQs from the NET-pattern papers
Try each one before opening the answer. Each comes with a short explanation.
- Q1 · NUST NET Past Paper 07 · Electromagnetism
The magnetic force on a charged particle moving parallel to a uniform magnetic field is:
- A.zero
- B.maximum
- C.qvB
- D.directed along the field
Show answer
Answer: A. zero — F = qvB sin θ and θ = 0°, so F = 0.
- Q2 · NUST NET Past Paper 08 · Electromagnetism
A 2 m wire carries 5 A at 30° to a uniform 0.4 T magnetic field. The force on the wire is:
- A.4 N
- B.3.46 N
- C.2 N
- D.1 N
Show answer
Answer: C. 2 N — F = BIL sin θ = 0.4 × 5 × 2 × 0.5 = 2 N.
- Q3 · NUST NET Past Paper 05 · Electromagnetism
Fleming's left-hand rule gives the direction of the:
- A.induced current in a generator
- B.magnetic field around a straight wire
- C.force on a current-carrying conductor in a magnetic field
- D.electric field between two charged plates
Show answer
Answer: C. force on a current-carrying conductor in a magnetic field — Left-hand rule → force on a current in a field (motor rule).