Công thức tính nhiệt dung riêng trung bình:
A. \(\mathop {\left. c \right|}\nolimits_{{t_2}}^{{t_1}} = \frac{q}{{{t_2} – {t_1}}}\)
B. \(\mathop {\left. c \right|}\nolimits_{{t_2}}^{{t_1}} = \frac{q}{{{t_1} – {t_2}}}\)
C. \(\mathop {\left. c \right|}\nolimits_{{t_2}}^{{t_1}} = \frac{{\mathop {\left. c \right|}\nolimits_0^{{t_2}} *{t_2} – \mathop {\left. c \right|}\nolimits_0^{{t_1}} *{t_1}}}{{{t_1} – {t_2}}}\)
D. \(\mathop {\left. c \right|}\nolimits_{{t_2}}^{{t_1}} = \frac{q}{{{t_2} – {t_1}}}\). \(\mathop {\left. c \right|}\nolimits_{{t_2}}^{{t_1}} = \frac{{\mathop {\left. c \right|}\nolimits_0^{{t_2}} *{t_2} – \mathop {\left. c \right|}\nolimits_0^{{t_1}} *{t_1}}}{{{t_2} – {t_1}}}\)
Hướng dẫn
Chọn D là đáp án đúng