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GyanMul Prep · NEB +2 · Science · Grade 12

Physics (Science, Grade 12)

Everything on these tabs is Physics (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

GyanMul Prep · NEB +2 · Science · Grade 12

Physics (Science, Grade 12)

Everything on these tabs is Physics (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapter 19 of 25 · Physics (Science, Grade 12)

Alternating Currents

6 topics
Board exam — Electricity and Magnetism, 21 marks across 6 chapters
23 solved questions

Current that reverses: peak and rms values, the phase each component introduces on its own, and the series LCR circuit where impedance, phase angle and resonance follow from combining them.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Peak value, rms value and mean value of alternating current
2AC through a pure resistor, a pure inductor and a pure capacitor
3Reactance and impedance
4Series LCR circuit: impedance and phase angle
5Resonance in a series LCR circuit and the quality factor
6Power in an AC circuit and the power factor