The electroscope - Study guides, Class notes & Summaries
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MCAT entrance exam all subjects combined questions & answers latest update
- Exam (elaborations) • 196 pages • 2023
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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MASTERING PHYSICS FREQUENT EXAM QUESTIONS AND ANSWERS
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MASTERING PHYSICS 
FREQUENT EXAM 
QUESTIONS AND ANSWERS 
Which part of the atom is positively charged and which part is negatively charged? - 
ANSWER The nucleus is positively charged and the electron cloud is negatively 
charged. 
How does the charge of one electron compared to that of another electron? How 
does it compare with the charge of a proton? How do the masses of protons and 
electrons compare? - ANSWER All electrons have the same charge. Electron 
charges equal and opposite t...
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PHY2602 Assignment 3 Complete Solutions 2024 Due date 25 September 2024 Electricity and Magnetism
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PHY2602 Assignment 3 Complete Solutions 2024 
Due date 25 September 2024 Electricity and 
Magnetism 
Laptop computers are made with batteries, but they must also be 
plugged into outlets to charge the batteries. Which is true regarding 
laptops? - ANS-They can run on either direct or alternating current. 
What is the function of an electromagnet in an electric doorbell? - 
ANS-It attracts a metal striker, which then hits the bell. 
What causes the poles of the electromagnet in an audio speak...
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Conceptual Physics Exam Questions and Answers All Correct
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Conceptual Physics Exam Questions 
and Answers All Correct 
 
The charge of an electron is ____. - Answer-Negative 
Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons 
Two like charges ____. - Answer-Repel each other 
Protons and electrons ____. - Answer-Attract each other 
Electrical forces between charges are normally strongest when the charges are _____. - 
Answer-Close together 
Coulomb's law says that the force between any two charges depends _____. - Answ...
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Conceptual Physics Exam Questions and Answers All Correct
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Conceptual Physics Exam Questions 
and Answers All Correct 
 
The charge of an electron is ____. - Answer-Negative 
Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons 
Two like charges ____. - Answer-Repel each other 
Protons and electrons ____. - Answer-Attract each other 
Electrical forces between charges are normally strongest when the charges are _____. - 
Answer-Close together 
Coulomb's law says that the force between any two charges depends _____. - Answ...
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Conceptual Physics Exam Questions and Answers All Correct
- Exam (elaborations) • 6 pages • 2024
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Conceptual Physics Exam Questions 
and Answers All Correct 
 
The charge of an electron is ____. - Answer-Negative 
Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons 
Two like charges ____. - Answer-Repel each other 
Protons and electrons ____. - Answer-Attract each other 
Electrical forces between charges are normally strongest when the charges are _____. - 
Answer-Close together 
Coulomb's law says that the force between any two charges depends _____. - Answ...
-
MCAT entrance exam all subjects combined questions & answers latest update
- Exam (elaborations) • 196 pages • 2023
- Available in package deal
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MCAT entrance exam all subjects combined questions & answers latest update 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A....
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Electricity and Circuits Questions with Correct Answers Rated A+
- Exam (elaborations) • 4 pages • 2023
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Electricity - A form of energy caused by the movement of electrons. 
 
load - The technical term for any electrically powered appliance 
 
The law of electric charges - the law that states that LIKE charges REPEL and OPPOSITE charges ATTRACT. 
 
Static electricity - the accumulation of excess electric charge on an object often by friction 
 
"static" = not moving 
this form of electricity does NOT move along a definite path (or circuit) and is NOT the form of electricity used to op...
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OCR A A-Level Exploring Physics Experiments
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OCR A A-Level Exploring Physics 
Experiments 
Demonstrating the photoelectric effect with the gold-leaf electroscope - correct 
answersMETHOD/OBSERVATIONS: 
-Charged rod is placed on top plate, repelling the gold leaf 
-When visible light or UV light is shone on a positively charged plate nothing happens, 
or if visible light is shone on a negatively charged plate 
-But if UV light is shone on a negatively charged zinc gold plate the gold leaf falls 
ANALYSIS: 
-The metal plate loses its neg...
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OCR A A-Level Exploring Physics Experiment
- Exam (elaborations) • 8 pages • 2024
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OCR A A-Level Exploring Physics 
Experiments 
Demonstrating the photoelectric effect with the gold-leaf electroscope - correct 
answersMETHOD/OBSERVATIONS: 
-Charged rod is placed on top plate, repelling the gold leaf 
-When visible light or UV light is shone on a positively charged plate nothing happens, 
or if visible light is shone on a negatively charged plate 
-But if UV light is shone on a negatively charged zinc gold plate the gold leaf falls 
ANALYSIS: 
-The metal plate loses its neg...
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