Atypical electric hair dryer designed to operate on a 120-v ac household circuit is rated at a power consumption of 1500 watts. for calculating effective average values, we can treat 120-v ac as a dc current. a. what average current flows through the dryer? b. what is the resistance of the dryer?

(a). The average current flows through the dryer is 12.5 A

(b). The resistance of the dryer is 9.6 Ω

Explanation:

Given that,

Voltage = 120 V

Power = 1500 W

(a). We need to calculate the average current flows through the dryer

Using formula of current

Where, P = power

V = voltage

Put the value into the formula

(b). We need to calculate the resistance of the dryer

Using Ohm's law

Where, I = current

Put the value into the formula

Hence, (a). The average current flows through the dryer is 12.5 A

(b). The resistance of the dryer is 9.6 Ω

this could be newton#'s law of cooling. the cooling curve is exponential

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.