An immersion-type heating coil with a resistance of 13 ohms is connected to a 120 V outlet and immersed in a 250 mL cup of water initially at 10 degree Celsius. Assume that there is no heat loss and neglect the heater's heat capacity. How long does it take to bring the water to the boiling point?
Ohm's law
Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.
Path of Least Resistance
In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.
An immersion-type heating coil with a resistance of 13 ohms is connected to a 120 V outlet and immersed in a 250 mL cup of water initially at 10 degree Celsius. Assume that there is no heat loss and neglect the heater's heat capacity. How long does it take to bring the water to the boiling point?
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