577-] £00,? /x} Mejﬂeﬂé ﬂex
Mame "aﬁﬂ/Mﬂﬂﬁg M ﬂo/
A . 39. A square loop of wire lies in the plane of the page and carries a current I as shown. There is a
uniform magnetic ﬁeld B parallel to the side MK as indicated. The loop will tend to rotate:
Ch 32. Faraday ’3 Law of
" Lam ham 5% "
In 1831, Michael Faraday in England and Joseph Henry (1797—1878)
in the United States independently discovered how to produce
electricity from magnetism.
Ch 31. Ampere ’s Law
Calculating the magnetic ﬁeld for a given
Laws? We don't need
.1820 — Hans Oersted observed that a compass needle is no “inking laws; g
deﬂected by an electric current.
1820 — Jean Baptiste Biot and Felix “the cat” Savart
Ch 30. The Magnetic Field
Where do magnetic ﬁelds come from?
Moving charges only, “create” a magnetic ﬁeld.
Ive Wife-Wt: MJ’
Wine rial-f 3 “j
Experiments have shown that
, ‘3- you a M
‘4 - '4’ ,./,’.?fc)lq+ Hone] Ema
FB =qus1n6vaBélﬁ 4 ‘
w (.5on him“? S“ w-
Ch32: Faradays Law Problem Set
Name: . I I Date:
Induced EMF and Induced Current
ii. A conducting loop of wire is placed in a magnetic ﬁeld that is normal to the plane of the loop.
Which one of the following actions