题目内容

Ampere-second is the unit of __.

A. conductance
B. power
C. energy
D. Charge

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One ampere is equal to __.

A. 1 electron flowing per second
B. 1 coulomb flowing per second
C. 1 electron flowing per hour
D. 1 coulomb flowing per hour.

In order to produce one gram of mass, it will take one megawatt unit of nuclear power plant to work for several ____.

A. hours
B. days
C. months
D. Years

How much seconds is equivalent to one millisecond (ms)?

A. 10
B. 0.1
C. 0.01
D. 0.001

The atomic number represents ___.

A. number of electrons
B. number of protons
C. number of neutrons
D. number of atoms

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