The principal quantum number is symbolized by the letter ______________.
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[Ques. 2] Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1 . The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 T. What is the larger of the two currents?
a. 5.3 A
b. 3.8 A
c. 4.5 A
d. 3.0 A
e. 0.5 A
[Ques. 3] When the absolute magnitudes, or brightnesses, of stars are plotted against their surface temperatures or colors, we obtain a(n) ______________ diagram.
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[Ques. 4] The lowest energy level of an atom (n = 1) is called the ______________.
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[Ques. 5] Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in opposite directions. What is the magnitude of the resulting magnetic field at a point that is 15 cm from the wire carrying the 30-A current and 25 cm from the other wire?
a. 51 T
b. 33 T
c. 72 T
d. 64 T
e. 46 T
[Ques. 6] Familiar groups of stars that are part of a constellation or parts of different constellations are called ______________.
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[Ques. 7] The energy of the electron in the hydrogen atom has only certain ______________ values.
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[Ques. 8] Each of two long straight parallel wires separated by a distance of 16 cm carries a current of 20 A in the same direction. What is the magnitude of the resulting magnetic field at a point that is 10 cm from each wire?
a. 57 T
b. 80 T
c. 64 T
d. 48 T
e. 40 T
[Ques. 9] Eighty-eight prominent groups of stars in the sky are called the ______________.
Fill in the blank(s) with correct word
[Ques. 10] In common physics terminology, a particle with a negative potential energy is in a(n) potential ______________.
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