Physics Electricity CBSE Board 2026 Medium
(i) Write the definition of the SI unit of power. (ii) Two resistors R₁ = 1 Ω and R₂ = 2 Ω are connected in a…
- (i)Write the definition of the SI unit of power.
- (ii)Two resistors and are connected in an electric circuit with a battery of V. Calculate the power consumed, when and are connected in (I) Parallel combination, and (II) Series combination.
- (iii)Calculate the minimum number of identical electric bulbs of rating V, W; that can work safely with their optimum brightness, when connected in series with a V mains supply.
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