DATA The electric potential in a region that is within 2.00 m of the origin of a rectangular coordinate system is given by V = Ax i + By m + Cz n + D , where A , B , C , D , l , m , and n are constants. The units of A , B , C , and D are such that if x , y , and z are in meters, then V is in volts. You measure V and each component of the electric field at four points and obtain these results: (a) Use the data in the table to calculate A , B , C , D , l , m , and n . (b) What are V and the magnitude of E at the points (0, 0, 0), (0.50 m, 0.50 m. 0.50 m), and (1.00 m, 1.00 m, 1.00 m)?
DATA The electric potential in a region that is within 2.00 m of the origin of a rectangular coordinate system is given by V = Ax i + By m + Cz n + D , where A , B , C , D , l , m , and n are constants. The units of A , B , C , and D are such that if x , y , and z are in meters, then V is in volts. You measure V and each component of the electric field at four points and obtain these results: (a) Use the data in the table to calculate A , B , C , D , l , m , and n . (b) What are V and the magnitude of E at the points (0, 0, 0), (0.50 m, 0.50 m. 0.50 m), and (1.00 m, 1.00 m, 1.00 m)?
DATA The electric potential in a region that is within 2.00 m of the origin of a rectangular coordinate system is given by V = Axi + Bym + Czn + D, where A, B, C, D, l, m, and n are constants. The units of A, B, C, and D are such that if x, y, and z are in meters, then V is in volts. You measure V and each component of the electric field at four points and obtain these results:
(a) Use the data in the table to calculate A, B, C, D, l, m, and n.
(b) What are V and the magnitude of E at the points (0, 0, 0), (0.50 m, 0.50 m. 0.50 m), and (1.00 m, 1.00 m, 1.00 m)?
The coordinate of point charge q1=15μC is P1 (15,3) , the coordinate of charge q2=22μC is P2 (10,6) and the coordinate of charge q3=3μC is P3 (7,6). The coordinates have centimeters as unit.
The electric force on q2 due to q1 is denoted by vector F.
a)Find x and y component of F.
The electric force on q1 due to q2 is denoted by vector f.
b) Find x and y component of f.
V volts
Q1.8 If the slope of the graph for electric field mapping is 0.5 V/cm
and the distance between the positive and negative electrodes was
18 cm, then the e.m.f (in V) of the battery used was:
X cm
15
13.5
11.5
9.
10
In the science fiction story "The little prince is an android" a second journey of the character from the novel by Antoine de Saint-Exupéry is proposed, in which
he visits a planet where respect for the ecosystem is paramount. They have developed a technology capable of storing the energy released in electrical storms
where 92 lightning strikes are produced every second. In a simplified way, lightning occurs when the potential difference between the cloud and the planet's
surface reaches at least 2.6 cross times 10 to the power of 7 volts. The electrical currents generated in lightning are about 3.4 cross times 10 to the power of 4
amperes on average.
Determine the average power of 92 lightning strikes produced with these values of potential difference and an electric current.
Select one:
O
8.8x 10¹1 W
9.6 × 10⁹ W
8.1 x 10¹3 W
7x 10¹ W
Chapter 23 Solutions
University Physics with Modern Physics, Volume 2 (Chs. 21-37); Mastering Physics with Pearson eText -- ValuePack Access Card (14th Edition)
College Physics: A Strategic Approach (4th Edition)
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