- (A) ωB/r22-r12/Δt
- (B) ωB(r2-r1)2/Δt
- (C) ωB(r22-r12)/Δt
- (D) ωB(r22+r12)/Δt
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) μoN2A
- (B) μoN2/A
- (C) μoN2
- (D) BA
- (A) 1Hzs
- (B) 1.5Hzs
- (C) 106sec
- (D) 1sec
- (A) current flowing
- (B) number of turns per unit length
- (C) voltage produce
- (D) all
- (A) LI2
- (B) L2I/2
- (C) LI2/2
- (D) IL2
- (A) carbon brushes
- (B) coil
- (C) commutator
- (D) magnetic field
- (A) positively charged
- (B) electrically neutral
- (C) negatively charged
- (D) positively and negatively charged
- (A) 4 volts
- (B) 9 volts
- (C) 2 volts
- (D) 1 vol
- (A) 2 x 106m/sec
- (B) 3 x 106m/sec
- (C) 5 x 106m/sec
- (D) 4 x 106m/sec
- (A) parallel to one another
- (B) non parallel to one another
- (C) intersecting
- (D) circular
