The Mass of a Proton Is 1

question 23

Multiple Choice

The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the mass defect (in amu) of a Co nucleus? (The mass of a cobalt-60 nucleus is 59.9338 amu.)

• A)27.7830
• B)0.5489
• C)0.5405
• D)0.0662
• E)0.4827

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Definitions:

Output Frequency

The frequency of the electrical output signal generated by an oscillator, amplifier, or another electronic device.

Brushless Exciter

A device used to excite the rotor of an alternator or synchronous motor that does not use brushes or sliprings.

Primary Exciter

A device, often a small generator, used to supply the initial current to the field winding of an alternator or to a magnetic coil to start the generation of electricity.

Electric Starter

A device that rotates an internal-combustion engine to initiate the engine's operation under its own power.