RAD 1265 Rad Physics Ch 2-3

In a vacuum, electromagnetic radiation

If 20 v of potential difference causes a current of 5 amperes to flow in a parallel circuit, the resistance produced is

The flow of electrons at a rate of 6.24x 10¹⁸ per second represents

An electron is ____ charged and has a mass of ____ amu(s).

An ampere is

The milliampere (mA) is a unit of

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

Electromagnetic radiation with a frequency of 2,000 hertz would have a wavelength of

Photon wavelength is

The maximum number of electrons in a period with a principal quantum number of 4 is

If a DC circuit is

If 10 coulombs pass a point in 2 seconds, the current is

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

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

All of the following are true of electromagnetic energies EXCEPT:

The charge on each of two objects is doubled, and they are moved twice as far apart. The force between them is

Isotopes have ____ mass numbers and ____ atomic numbers

If the total resistance in a circuit is 9 ohms and the total voltage is 3 volts, the current is

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

According to the “rule of octets,”

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

Neon lights illustrate the fact that electrons will flow

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

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

If the photon frequency of electromagnetic radiation is increased tenfold, then the

The sum of protons and neutrons in a nucleus is called the

Ohm’s law is mathematically described as

A period in the periodic table is

When comparing iodine (Z = 53) with barium (Z = 56),

In a parallel circuit

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

When the atomic valence and conductance bands overlap,

Groups of the periodic table

If the frequency of a wave is 1,000 hertz and is traveling at 50,000 m/sec, then its wavelength is

The resistance in a wire decreases as its

Electric current is defined as

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

The nuclear components that distinguish one element from another are the

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

All of the following are true of the substance glucose (C₆H₁₂O₆) EXCEPT

Quarks may behave according to the ____ theory

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

If a conductive surface is positively charged, it

Which of the following is not a basic characteristic of the wave equation?

All of the following choices are considered excellent metallic electrical conductors EXCEPT

Electric insulators

The current flow from a dry cell battery source would be

All of the following are energy forms EXCEPT

The unit of mass is the ______

Resistance is

The unit of electrical power is the

In a battery circuit with several resistors of different values connected in series,

Carbon has an atomic number of 6. One of its isotopes has a mass number of 14. The number of neutrons in this isotope is

Electric potential is measured in

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

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