Question 50
What amount of current would pass through a 10 Ω coil if it takes 21s for the coil to just melt a lump of ice of mass 10g at 0oC if there are no heat losses? (Latent heat of fusion of ice = 336 Jg\(^{-1}\)).
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 1993
- Question no.
- #50
- Type
- Objective
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