10:31 Thu 8 Aug Cancel Markup 13% 4 Done State which of the following statements are true and which are false. Give reasons for your answers. a) b) c) Two capacitors in series have higher capacitance than the same two capacitors in parallel. A galvanometer can be converted to a voltmeter by adding a shunt resistor in parallel to the galvanometer. A sample of purified uranium is less radioactive than an old sample, because of the accu- mulation of radioactive daughter products in the old sample. d) Sharp lines in the absorption spectra of a gas discharge lamp are due to excited electrons falling back to lower states. e) The allowed states for electrons in the Bohr model of the atom are those in which an integer number of wavelengths of the electron fit into the circumference of the orbit. 2 2 זייייןיייייייי 50 + 2 S
10:31 Thu 8 Aug Cancel Markup 13% 4 Done State which of the following statements are true and which are false. Give reasons for your answers. a) b) c) Two capacitors in series have higher capacitance than the same two capacitors in parallel. A galvanometer can be converted to a voltmeter by adding a shunt resistor in parallel to the galvanometer. A sample of purified uranium is less radioactive than an old sample, because of the accu- mulation of radioactive daughter products in the old sample. d) Sharp lines in the absorption spectra of a gas discharge lamp are due to excited electrons falling back to lower states. e) The allowed states for electrons in the Bohr model of the atom are those in which an integer number of wavelengths of the electron fit into the circumference of the orbit. 2 2 זייייןיייייייי 50 + 2 S
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 9.1CYU: Check Your Understanding Handheld calculators often use small solar cells to supply the energy...
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Transcribed Image Text:10:31 Thu 8 Aug
Cancel
Markup
13% 4
Done
State which of the following statements are true and which are false. Give reasons for your
answers.
a)
b)
c)
Two capacitors in series have higher capacitance than the same two capacitors in parallel.
A galvanometer can be converted to a voltmeter by adding a shunt resistor in parallel to
the galvanometer.
A sample of purified uranium is less radioactive than an old sample, because of the accu-
mulation of radioactive daughter products in the old sample.
d) Sharp lines in the absorption spectra of a gas discharge lamp are due to excited electrons
falling back to lower states.
e)
The allowed states for electrons in the Bohr model of the atom are those in which an integer
number of wavelengths of the electron fit into the circumference of the orbit.
2
2
זייייןיייייייי
50
+
2
S
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