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An electric h...

Question

An electric heater has a resistance of 12 ohm and is operated from a 220 v line . If no heat escapes from it, how much time is required to raise the temperature of 40 kg of water from 15 c to 80 celcius?

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Similar questions

Q. An electric heater has resistance of

12 Ω

and is operated from 220 volts power line. If no heat escapes from it time required to raise the temperature of 40 kg of water from

15^{o} C

80^{o} C

is (2700 + X) sec. Find the value of X.

Q. An electrical heater has resistance of 1252 and is operated from 220 volts power line. If no heat escapes from it how much time is required to raise the temperature of 40 kg of water from 10C to 80C?

Q. The resistance of an electric geyser is

14

ohm. Current flowing is

4 A .

How much water can it heat to raise its temperature by

10^{o} C

10

Use specific heat capacity of water

= 4.186 \times 10^{3} J k g^{- 1} C^{o - 1}

How much current will an electric geyser draw from a 220 V source, if the resistance of the geyser is 110 ohm?

Q. A small electric immersion heater is used to heat

100 g

of water. The power on the heater is labeled as

200 W

. Calculate the time required to raise the temperature from

23^{\circ} C

100^{\circ} C

[

Specific heat capacity of water is

4200 {J/kg}^{\circ} C]

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