A metal rod is subjected to cycles of magnetisation at the rate of 42 Hz. Density of the metal is 6 × 10^3 kgm^{-3} and its specific heat capacity is 0.1 × 10^{-3} cal kg^{-1} ^\circC^{-1}. If the area of its B - H loop corresponds to energy density of 10^{-2} Jm^{-3}, then the rise in its temperature in one minute is

AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

Section: Physics

Question : 112 of 160

Marks: +1, -0

A metal rod is subjected to cycles of magnetisation at the rate of 42 Hz. Density of the metal is 6 × 103kgm−3 and its specific heat capacity is 0.1 × 10−3 cal kg−1°C−1. If the area of its B - H loop corresponds to energy density of 10−2Jm−3, then the rise in its temperature in one minute is

5 °C
10 °C
15 °C
20 °C

Validate

Go to Question:

Prev Question

Next Question