Question

In: Physics

Which of the following statements are true regarding electric generators? Check all that apply. An electric generator creates...

Which of the following statements are true regarding electric generators?

Check all that apply.

An electric generator creates a time-dependent induced voltage.

An electric generator is used to increase or decrease an alternating current voltage.

An electric generator converts mechanical energy into electrical energy.

An electric generator converts electrical energy into magnetic energy.

An electric generator creates a time-independent induced voltage.

Solutions

Expert Solution

Concept and reason

The required concept to solve these questions is the principle of electric generator and mechanical energy.

Use the concepts of electric generator to choose the true statement.

Fundamentals

“Mechanical energy is associated with the sum of the potential energy and kinetic energy. It is the energy that depends on the motion and position of an object”.

The device that converts mechanical energy into electrical energy is known as electric generator.

The false statements are as follows:

• An electric generator is used to increase or decrease an alternating current voltage.

• An electric generator converts electrical energy into magnetic energy.

• An electric generator creates a time independent induced voltage.

The electromotive force is produced by changing the number of magnetic flux lines passing through a wire coil in an electric generator. The change of flux lines occurs with respect to the time.

The coil is rotated in a constant magnetic field, which produces an AC voltage.

The mechanical energy of the rotating engine is transformed as electrical engine.

Therefore, the true statement is given below:

An electric generator creates a time-dependent induced voltage.

The coil of the wire is rotated in a constant magnetic field and the rotation occurs by a mechanical engine. The mechanical energy of the rotating engine is transformed as the electrical energy.

Therefore, the true statement is given below:

An electric generator converts mechanical energy into electrical energy.

Ans:

An electric generator creates a time-dependent induced voltage is True.

An electric generator converts mechanical energy into electrical energy is True.

genius_generous answered 1 year ago

Next > < Previous

Related Solutions

Part A Which of the following statements are true regarding transformers? Check all that apply. Check...

Part A Which of the following statements are true regarding transformers? Check all that apply. Check all that apply. In a transformer, if the primary coil contains more loops than the secondary coil, then it is a step-up transformer. A transformer converts mechanical energy into electrical energy. A transformer is used to increase or decrease a direct current voltage. A transformer is used to increase or decrease an alternating current voltage. In a transformer, if the secondary coil contains more...

Which of the following statements regarding beta particles are true Check all that apply. Beta particles...

Which of the following statements regarding beta particles are true Check all that apply. Beta particles have a mass number of 0. Beta particle formation is accompanied by the conversion of a proton into a neutron. Beta particle formation is accompanied by the conversion of a neutron into a proton. Beta particles have a nuclear charge of +1.

Which of the following statements regarding rational ignorance are true? Check all that apply. Rational voter...

Which of the following statements regarding rational ignorance are true? Check all that apply. Rational voter ignorance occurs when a voter chooses a candidate who supports policies that are not in the best economic interest of the voter. Because candidates take stands on a wide range of issues, a rationally ignorant voter may choose not to fully assess the costs and benefits of voting for a particular candidate. A rationally ignorant voter may choose a political candidate based simply on...

Which of the following statements is true regarding gustation? list all that apply.

Which of the following statements is true regarding gustation? list all that apply. Taste is chemical sense. It's easier to taste with a dry tongue. Humans are more sensitive to taste than to smell. When gustatory hairs are stimulated, a receptor potential is created. All of the primary tastes can be detected throughout the tongue.

Which of the following statements are true concerning electromagnetic induction? Check all that apply? A. It is...

Which of the following statements are true concerning electromagnetic induction? Check all that apply? A. It is possible to induce a current in a closed loop of wire located in a uniform magnetic field by either increasing or decreasing the area enclosed by the loop. B. It is possible to induce a current in a closed loop of wire by change the orientation of a magnetic field enclosed by the wire. C. It is possible to induce a current in a closed loop...

Which of the following statements about a monopoly firm are true? (Check all that apply.) It...

Which of the following statements about a monopoly firm are true? (Check all that apply.) It faces a downward-sloping demand curve. Its long-run average total cost curve is always downward sloping. Its marginal revenue is always below the price. It is always profitable in the short run. It is the only seller of a good or service with no close substitutes available. It always experiences economies of scale.

Which of the following statements are true? Check all that apply. In a total conflict game,...

Which of the following statements are true? Check all that apply. In a total conflict game, there can be more than one saddle point. "Equating the expected values" method can be applied for any 2x2 total conflict game. When the maximin and minimax values in a total conflict game are same, there is no pure strategy. "Method of Oddments" can be used for 2x2 total conflict game only if there is no saddle point in pure strategies. If there are...

Which of the following statements are true for magnetic field lines? Check all that apply. A.)...

Which of the following statements are true for magnetic field lines? Check all that apply. A.) Magnetic field lines are close together in regions of space where the magnitude of the magnetic field is weak, and they are farther apart in regions where it is strong. B.) Unlike electric field lines, magnetic field lines are continuous. C.) Magnetic field lines point in the direction of the magnetic force acting on a charge. D.) At every point in space, the magnetic...

Which of the following statements is true regarding olfaction? list all that apply Smell is a...

Which of the following statements is true regarding olfaction? list all that apply Smell is a chemical sense. Odorant molecules dissolve in mucus before stimulating a receptor. Humans can only distinguish up to 200 odors. Olfactory receptors have hairs on the apical surface that respond to stimuli.When olfactory receptors are stimulated a receptor potential is created.

Which of the following is a true statement? (Check all that apply.)

Which of the following is a true statement? (Check all that apply.)A technological improvement isolated to one sector can indirectly result in more production in all other sectors.All points on the PPF are productively efficient.It is possible for a point to be allocatively efficient without being productively efficient.PPFs slope down for the same reason that the demand curve slopes down.

Subjects