brown (jmb7226) Home Work V belay (2049)
This print-out should have 24 questions.
Multiple-choice questions may continue on
the next column or page nd all choices
before answering.
001 10.0 points
To recharge a 12 V battery, a battery charger
must move 2.
Electricity and Circuits Practice Test ANSWERS
1) A coulomb per second is the same as
A) a watt.
B) an ampere.
C) a volt-second.
D) a volt per second.
Answer: B
Diff: 1 Page Ref: Sec. 18.2
2) Consider two copper wires. One has twice the length and twice t
Exam3practicequestions
1. Although the extracellular environment has a high sodium ion concentration and the
intracellular environment has a high potassium ion concentration, both must be neutralized
by negatively charged molecules. What is the principal
Physics requires practice to develop your solving problems skills and your logical
thinking. I strongly recommend studying carefully the examples, and solving the
following problems in your book
Examples: 29.1- 29.5 Page 812
Problems 1, 3, 5, 7, 9, 11, 13
Electric Potential
PHY 2049
Physics requires practice to develop your solving problem skills and your logical
thinking . I strongly recommend studying carefully the examples, and solving the
following problems in your book.
Exercises: 25.1- 25.8 Page 696
PHY 2049
Physics requires practice to develop your solving problems skills and your logical thinking. I
strongly recommend studying carefully the examples, and solving the following problems in
your book.
Exercises: 23.1 -23.8 Page 663
Problems: 5, 7, 8,
Electric Resistance & Circuits
1. (1E) Find the resistance of 78.0 m of No 20 aluminum wire at 20 0 C ( = 2.83x 106
cm, A= 2.07x 10-2 cm2 .)
2. (8E) Find the length of copper wire with resistance 0.0262 /ft and total
resistance 3.00 .
3. (9E) Find the cr