Grade -12 (NEB) > Science Physics
DC Circuits, Electricity & Magnetism
Discuss how the current is established in a conductor when it is connected across a source of emf. Derive the relation J = nev, where the symbols have their usual meaning.
Grade -12 (NEB) > Science Physics
DC Circuits, Electricity & Magnetism
Given an example of a non-ohmic conductor and present its current-voltage characteristics.
Grade -10 (SEE) Physics
An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect ? Explain.
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