A magnetic field directed into the page changes with time according to B = 0.043 Ot2 + 1.40, where B is in teslas and t is in seconds. The field has a circular cross section of radius R = 2.50 cm (see figure below). x x x x x x x x x x x x x x x x x × x x x x X X Bin (a) When t = 1.50 s and r, = 0.020 0 m, what is the magnitude of the electric field at point P,? N/C (b) When t = 1.50 s and r, = 0.020 0 m, what is the direction of the electric field at point P,? O perpendicular to r, and counterclockwise O out of the page O into the page O perpendicular to r, and clockwise
A magnetic field directed into the page changes with time according to B = 0.043 Ot2 + 1.40, where B is in teslas and t is in seconds. The field has a circular cross section of radius R = 2.50 cm (see figure below). x x x x x x x x x x x x x x x x x × x x x x X X Bin (a) When t = 1.50 s and r, = 0.020 0 m, what is the magnitude of the electric field at point P,? N/C (b) When t = 1.50 s and r, = 0.020 0 m, what is the direction of the electric field at point P,? O perpendicular to r, and counterclockwise O out of the page O into the page O perpendicular to r, and clockwise
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:A magnetic field directed into the page changes with time according to B = 0.043 Ot2 + 1.40, where B is in teslas and t is in seconds. The field has a circular cross section of
radius R = 2.50 cm (see figure below).
X x x x ×
X x x x x
x x x x7* x x
x x x x R x
x x x x × ×
x x x x × /
Bn
(a) When t = 1.50 s and r, = 0.020 0 m, what is the magnitude of the electric field at point P,?
N/C
(b) When t = 1.50 s and
= 0.020 0 m, what is the direction of the electric field at point P,?
perpendicular to
and counterclockwise
O out of the page
O into the page
perpendicular to
and clockwise
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