A lamp is rated “60 W, 120 V”

PHYSICS · Multi-part · CBSE · Physics · Electricity · Electricity

Problem

A lamp is rated “60 W, 120 V”. It is to be operated from a 240 V mains supply by connecting a suitable resistor in series with it. (1) a. (i) (2) b. (ii) (3) c. (iii) (4) d. (iv)

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