CAIE A-Level Physics A2 20.2.2 The Equation F Bil Sin with Directions As Interpreted By Flemings Topic Practice

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Question 1

[Maximum number: 2]

Two long straight parallel wires P and Q carry currents into the plane of the paper, as shown in Fig. 8.1.

P

The current in P is I and the current in Q is 2 I.

Question (a)

(a)

On Fig. 8.1, draw another arrow to show the direction of the force acting on wire Q due to the current in wire P. Label this arrow F.

[ 1 ]

Question (b)

(b)

State how the direction of the force on wire P compares with the direction of the force on wire Q.

[ 1 ]
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