A straight wire 50 cm long carries a current of 200 A The wire is at right angles to a magnetic field of flux density 0.8 T. Calculate the magnitude of the force on the wire. (A) 8.0 J (B) 80 J (C) 8.0 N (D) 80 N
A straight wire 50 cm long carries a current of 200 A The wire is at right angles to a magnetic field of flux density 0.8 T. Calculate the magnitude of the force on the wire. (A) 8.0 J (B) 80 J (C) 8.0 N (D) 80 N
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Q1.2 only
Transcribed Image Text:Q1.1
A flexible wire loop is lying on a
Wire loop
frictionless table made trom an
insulating material. The wire
can slide arbund horizontally
on the table ànd change shape
freely, but it canhot move
vertically. The loop s connected to a power supply, a switch
and two terminals fixed tb the table as shown. When the
Switch
switch is closed, a current/ flow around the loop.
Which of the following diagrams most closely represents the
final shape of the loop after the switch is closed?
(A)
(B)
(D)
(C)
Q1.2
A straight wire 50 cm long carries a current of 200 A. The
wire is at right angles to a magnetic field of flux dênsity 0.8 T.
Calculate the magnitude of the force on the wire.
(A) 8.0 J
(B) 80J
(C) 8.0 N
(D) 80 N
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