Which of the following material is most suitable for cooking utensil?
Which of the following material is most suitable for cooking utensil?
- A
Low conductivity and low specific heat
- B
High conductivity and low specific heat
- C
High conductivity and high specific heat
- D
Low conductivity and high specific heat
Similar Questions
Six identical conducting rods are joined as shown in figure. Points $A$ and $D$ are maintained at temperature of $200^o C$ and $20^o C$ respectively. The temperature of junction $B$ will be ....... $^oC$
Six identical conducting rods are joined as shown in figure. Points $A$ and $D$ are maintained at temperature of $200^o C$ and $20^o C$ respectively. The temperature of junction $B$ will be ....... $^oC$
Calculate the surface temperature of the planet, if the energy radiated by unit area in unit time is $5.67 \times 10^4\,watt$ : (Planet may be assumed to black body)
Calculate the surface temperature of the planet, if the energy radiated by unit area in unit time is $5.67 \times 10^4\,watt$ : (Planet may be assumed to black body)
A sphere and a cube of same material and same volume are heated upto same temperature and allowed to cool in the same surroundings. The ratio of the amounts of radiations emitted will be
A sphere and a cube of same material and same volume are heated upto same temperature and allowed to cool in the same surroundings. The ratio of the amounts of radiations emitted will be
In a composite rod, when two rods of different lengths and of the same area are joined end to end. If $K$ is the coefficient of thermal conductivity of composite rod, then $\left( {\frac{{{\ell _1} + {\ell _2}}}{K}} \right)$ is equal to
In a composite rod, when two rods of different lengths and of the same area are joined end to end. If $K$ is the coefficient of thermal conductivity of composite rod, then $\left( {\frac{{{\ell _1} + {\ell _2}}}{K}} \right)$ is equal to
Six wires each of cross-sectional area $A$ and length $l$ are combined as shown in the figure. The thermal conductivities of copper and iron are $K_1$ and $K_2$ respectively. The equivalent thermal resistance between points $A$ and $C$ is
Six wires each of cross-sectional area $A$ and length $l$ are combined as shown in the figure. The thermal conductivities of copper and iron are $K_1$ and $K_2$ respectively. The equivalent thermal resistance between points $A$ and $C$ is