The operating principles of the cathode-ray tube were discovered by _____.
A) George Ohm
B) Wilhelm Roentgen
C) Gustav Kirchhoff
D) J.J. Thomson
Correct Answer:
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Q2: An electrolyte may be made from water
Q3: An ion is an atom that has
Q4: As the atmospheric pressure increases, the amount
Q5: Plating copper onto iron often involves a
Q6: A copper electroplating process sometimes uses a
Q7: In an electroplating operation, what is he
Q8: If a magnesium atom combines with two
Q9: In an electroplating operation, what is the
Q10: Lead-acid batteries use an electrolyte containing _.
A)
Q11: X-rays result when cathode rays strike _.
A)
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