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6 Oct 2020
A voltage ∆V is applied across the ends of a nichrome heater wire having a cross-sectional area A and length L. The same voltage is applied across the ends of a second heater wire having a cross-sectional area A and length 2 L. Which wire gets hotter?
(a) the shorter wire
(b) the longer wire
(c) More information is needed.
A voltage ∆V is applied across the ends of a nichrome heater wire having a cross-sectional area A and length L. The same voltage is applied across the ends of a second heater wire having a cross-sectional area A and length 2 L. Which wire gets hotter?
(a) the shorter wire
(b) the longer wire
(c) More information is needed.
B. Haranadh KumarLv10
22 Nov 2020
