Объяснение:
A = Q
A = UIτ
Q = mcΔt = ρVcΔt
UIτ = ρVcΔt
Δt = UIτ/ρVc = 50 × 2 × 15/7800 × 0,002 × 500 = 50 × 15/3900 = 250/1300 = 0,2 °C
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Объяснение:
A = Q
A = UIτ
Q = mcΔt = ρVcΔt
UIτ = ρVcΔt
Δt = UIτ/ρVc = 50 × 2 × 15/7800 × 0,002 × 500 = 50 × 15/3900 = 250/1300 = 0,2 °C