The joule heat.

Question

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Answer 1

Question

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

(b)

To determine

The I2R losses.

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.

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An electric kettle draws a current of 10 A when connected to the 230 V mains supply. if all the energy produced in 5 minutes is used to heat 2 kg of water (Specific heat capacity of water = 4200 J kg-1 K-1.), determine the following:a. the power supplied to the kettle, in kWb. the electrical energy consumedc. the rise in temperature of the kettle. (Please show proper units in the solution)

Answer 2

Question

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

(b)

To determine

The I2R losses.

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

(b)

To determine

The I2R losses.

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

(b)

To determine

The I2R losses.

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

(b)

To determine

The I2R losses.

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.

Answer 6

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

Answer 7

Chapter 27, Problem 1ASA

(a)

To determine

The joule heat.

Answer 8

(a)

Expert Solution

Answer to Problem 1ASA

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

Joule heating is the process where the energy of an electric current is converted into heat as it flows through a resistance. Joule's first law or the Joule–Lenz law, states that “the power of heat generated by an electrical conductor is proportional to the product of its resistance and the square of the current”. Despite the fact that it has units of power, it is commonly referred to as joule heat. A given amount of electrical energy absorbed in the resistor produces a fixed amount of heat.

Answer 13

(b)

To determine

The I2R losses.

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.

Answer 14

(b)

To determine

The I2R losses.

Answer 15

(b)

Expert Solution

Answer to Problem 1ASA

The energy is lost in the form of heat.

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

Explanation of Solution

The expression for joule heat is given by,

P∝I2R

Here, P is the power, I is the current and R is the resistance.

Therefore, the energy is lost in the form of heat. The heat which is produced due to the flow of current within an electric wire is expressed in unit of Joules.