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โˆ™ 2010-03-01 19:52:18
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What is the lateral speed of a conductor of 1 meter in length when it induces a voltage of 30 when moved at right angles across a magnetic field of 2 teslas?
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Related questions

How do magnets generate electricity?

Magnets generate electricity by moving the magnet along a conductor, such as a wire. This is called induction. When magnetic lines of force sweep across a conductor, the magnetic field induces a voltage in the conductor. Voltage is "electrical pressure" and if a supporting circuit is set up connected to that conductor, current will flow.


A rapid change of a magnetic field induces what?

A voltage in nearby metals.


The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the and the of the conductor?

The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the length and the speed of the conductor.


The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the and the of the conductor.?

The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the length and the speed of the conductor.


What is the process called in which a conductor cuts across a magnetic field and produces a voltage?

We call it induction when we pass a conductor through a magnetic field to produce voltage.


How is voltage induced in a conductor?

According to Faraday's law, a voltage is induced in a conductor by a changing magnetic field.


The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the?

The speed of the conductor through the magnetic field, which translates into the number of magnetic lines of force the conductor can cut per unit time, will determine the magnitude of the voltage induced in the conductor. As an additional factor, if a longer piece of wire can be moved through the magnetic field, it will induce more voltage as well. The more speed we can put on the conductor, and the more of the conductor we can move through the magnetic field, the more voltage we can induce in the conductor.


How the voltage is induced in a single phase transformer?

The changing magnetic flux in the iron core of the transformer induces a voltage in the windings.


How do wall transformers work?

Just like any other transformer - voltage is applied to one winding, which induces a magnetic field in the transformer core, which induces a voltage on the other winding.


What happens when a conductor cuts magnetic lines of force?

When a conductor cuts magnetic lines of force, there is a voltage induced in the conductor. This is the basis of generators and motors.


What is electrical excitability?

I think you mean 'excitation'; this refers to the process by which a current sets up a magnetic field which, in turn, induces a voltage into a conductor or coil -usually applied to transformers, motors, and generators.


When current flows in a conductor a magnetic field is created. The created magnetic field cuts the conductor which creates a voltage in the conductor. What is this voltage called?

It's called back EMF or reverse EMF. The EMF is electro-motive force, or voltage. What is happening is that the original current flow creates a magnetic field. That field then induces a voltage that opposes the original voltage that is causing the current flow. This back EMF "resists" the original voltage's efforts to cause current flow. If the created magnetic field did not oppose the original "efforts" of the voltage source to make current flow, then it would aid that voltage to make current flow. We would then get something for nothing and perpetual motion would be possible. We can't do that.

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