ExamPlay Light Logo
Pierakstīties

WAEC - Physics (2007 - No. 39)

A bulb marked 240V, 40W is used for 30 minutes. Calculate the heat generated
320J
400J
10800J
72000J

Paskaidrojums

W = P x t

= 40 x 30 x 60

= 72000J

komentāri (0)

Piesakieties, lai komentētu
Reklāma
BrainBehindX Inc Logo
©2026; Powered by BrainBehindX Inc