A 191-V clothes dryer draws a current of 14 A. How much energy in kilojoules does it use in 1.5 hour(s) of operation? (don't forget to convert hours to seconds, and do not input commas in your answer!)
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.
Given Data:
The voltage of a dryer is,
The current is,
The time required for the consumption of energy is,
The expression for the energy in terms of power and time is,
Here, P is the power, and t is the time.
The power in terms of voltage and time is given as,
Substitute the value of equation (2) in equation (1)
Step by step
Solved in 2 steps
