The specific heat of a substance varies with temperature T as C = (AT^(2) + BT)"Cal/g-"^@C, with temperature in degree celsius. Heat is supplied by a heater of resistance 200 ohm operating at 220 volt, to heat 50 g of substance from 27^@C " to " 57^@C If the time taken is 2 hr x minute then what is he value of x ? (Given A = 2.5 xx 10^(-3) cal/gm - (""^@C)^3 and B = 12 xx 10^(-2)" cal/gm"-(""^@C)).

The specific heat of a substance varies with temperature T as C = (AT^

1.	The specific heat of a substance varies with temperature T as C = (AT^(2) + BT)"Cal/g-"^@C, with temperature in degree celsius. Heat is supplied by a heater of resistance 200 ohm operating at 220 volt, to heat 50 g of substance from 27^@C " to " 57^@C If the time taken is 2 hr x minute then what is he value of x ? (Given A = 2.5 xx 10^(-3) cal/gm - (""^@C)^3 and B = 12 xx 10^(-2)" cal/gm"-(""^@C)).
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