Physics - Radiation Concepts, Electricity, Electromagnetism

All of the following are true of electromagnetic energies EXCEPT:

An isotope of boron has 5 protons and 6 neutrons. The atomic number of boron is

What type of material can be permanently magnetized when placed in an external magnetic field?

An alternating (AC) current is represented by a __________ line.

A simple DC generator has essentially the same construction as an AC generator except that a DC generator uses of

The milliampere (mA) is a unit of

Quarks may behave according to the ____ theory.

Rubber and glass are ___________.

A current of 2 amperes and a resistance of 8 ohms require what voltage in a series circuit?

A transformer with more primary windings than secondary windings

In the excitation process, electrons in an atom are moved to a/an ____ energy state.

Like magnetic poles ________ and unlike magnetic poles ________.

According to the “rule of octets,”

The diagnostic range of x-ray energy is _____________.

Electrification occurs through the movement of ___________.

A ___________ uses direct current.

A charged particle in motion creates a ______________.

In a vacuum, electromagnetic radiation

A period in the periodic table is

Resistance is

The atomic number is the number of ____ contained in the nucleus.

The _________ of electromagnetic radiation is constant.

On the surface of an electrified object, the charges concentrate on the __________.

A charge would lose most of its energy when it passes through a

A circuit has a current of 2 amperes and a resistance of 4 ohms. The maximum power that can be delivered is

A generator is a device that converts

he process of electrons being emitted from heated metallic surfaces is called

If an electron is gained or lost from an atom, that atom becomes

The maximum number of electrons found in any energy level (shell) at any point in time is calculated by the formula

What is the unit of electric power?

Groups of the periodic table

A 100 W light bulb with an amperage of 0.91 A is operating at a potential difference of

People are a ________ material.

A charge would lose most of its energy when it passes through a

If the distance between two electrical charges is doubled, the force between them is

What is the unit of electric resistance?

A motor is a device that converts

An element with an atomic number of 22 has how many electrons in the second principal quantum number level (L shell)?

The orderly arrangement of elements in the periodic table is based upon

Photons with the highest frequencies have the ____________.

A current of 6 amperes and a resistance of 2 ohms require what voltage in a series circuit?

Electric insulators

Electric conductors

Which of the following is not Ohm's law?

Isotopes have ____ mass numbers and ____ atomic numbers.

When an electric current flows through a solid conductor (wire) with resistance, energy is

The resistance in a wire decreases as its

A _________ is a source of direct current.

The maximum number of electrons in a period with a principal quantum number of 3 is

The rotation of electrons on their axis is the property called ____________.

A transformer with more secondary windings than primary windings

What is the unit of electric potential?

A circuit has a current of 4 amperes and a resistance of 4 ohms. The maximum power that can be delivered is

What type of material can be made magnetic when placed in an external magnetic field?