Home
Class 12
PHYSICS
An ice slab of cross section area 1 cm^2...

An ice slab of cross section area `1 cm^2` and length 1m is being heated by a heater with resistance R=1000 OHM and current = 1A. How much time will it take to melt the slab. Given `S_(ice) = 2400 J/((kg)*K` temperature of ice slab = `- 10^0 C`, density of ice = `10^3` kg/m , latent of ice = 330000 J/kg

A

35.4 s

B

45.4 s

C

55.4 s

D

65.4 s

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

A 10 H inductor carries a current of 20A . How much ice at 0^@C could melted by the energy stored in the magnetic field of the inductor? Latent heat of ice is 22.6xx10^I3J//kg

An ice layer of thickness 3 cm is formed on a lake. How much time will it take to increase the thickness of ice by 2 mm if temperature of air is -30^@C ? Take, Density of ice = 1 g cm^(-3) , Latent heat of ice = 80 cal g^(-1) , Conductivity of ice = 0.008 cal s^(-1) cm^(-1) ""^@C^(-1)

A slab of stone area 3600 cm^(2) and thickness 10cm is exposed on the lower surface to steam at 100^(@)C A block of ice at 0^(@)C rest on upper surface of the slab. In one hour 4.8kg of ice is melted. The thermal conductivity of the stone in Js^(-1)m^(-1)k^(-1) is (latent heat of ice =3.36 xx 10^(5) J//Kg .

Find the quantity of heat required to convert 40 g of ice at -20^(@) C into water at 20^(@) C. Given L_(ice) = 0.336 xx 10^(6) J/kg. Specific heat of ice = 2100 J/kg-K Specific heat of water = 4200 J/kg-K

A piece of ice of mass of 100g and at temperature 0^(@)C is put in 200g of water of 25^(@) How much ice will melt as the temperature of the water reaches 0^(@)C ? The specific heat capacity of water = 4200 J kg ^(-1)K^(-1) and the latent heat of ice = 3.36 xx 10^(5)J kg^(-1)

On the Dal lake of Kashmir, a layer of 2 cm thick ice is formed when the outside temperature is -10^@C . How much time it will take for the increase in thickness of ice by 0.5 mm? Take, Density of ice = 1 g//c^3 m Latent heat of ice = 80 cal/g Thermal conductivity of ice = 0.008 cal s^(-1) cm^(-1) ""^@C^(-1)

A layer of ice 0.15 m thick has formed on the surface of a deep pond. If the temperature of upper surface of ice is constant and equql to that of air which is -12^(@)C , determine the time it will take to increase of ice layer by 0.2 mm. take latent heat of ice =80 cal g^(-1) , density of ice =0.91 g cm^(-3) and thermal conductivity of ice =0.5 cal s^(-1)m^(-1)K^(-1) .

A slab of stone of area 0.34 m ^(2) and thickness 10 cm is exposed on the lower face to steam at 100^(@)C .A block of ice at 0^(@)C rests on the upper face of the slab. In one hour, 3.6 kg of ice is melted. Assume that the heat loss from the sides is negligible. The latent heat of fusion of ice is 3.4 xx 10^(4) J kg^(-1) . What is the thermal conductivity of the stone in units of Js^(-1) m^(-1) ""^(@)C^(-1) ?

A layer of ice 29 cm thick has formed on a pond. The temperature of air is -10^(@)C . Find how long will it take for another 0.1 cm layer of water to freeze? Conductivity of ice = 2.1 J s^(-1)m^(-1)K^(-1) . Latent heat capacity of ice =3.36 xx 10^(5) J kg^(-1) and density of ice = 1000 kg m^(-3) .