Need help with these TIPERS. Thanks! In each case, a pair of electromagnets is s
ID: 2079083 • Letter: N
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Need help with these TIPERS. Thanks!
In each case, a pair of electromagnets is shown placed close together. The electromagnets are made with identical wires wrapped around identical iron cores, but the number of of wire varies. Each wire has the same current and the pairs of electromagnets are separated by the same distance. Carefully observe the orientation of the coil and direction of current flow. D3-QRT34: Charge near a Circular Current Loop-Magnetic Force Direction An electrically charged particle is placed at rest near a circular current-carrying loop of wire, along the centerline of the loop. All of the charges have the same magnitude. In Cases A and D, the particle is positively charged. while in Cases B and C they are negative. The currents in all the loops are in the same direction. _ For these situations, draw the direction of the magnetic force exerted on the charged particle and on the current loop in the chart below.Explanation / Answer
1-C, 2-B, 3-D, 4-E, 5-F, 6-A
C is most attractive since it has highest number of turns and current are flowing in same direction.
in B current is flowing in the same direction but number of turns in second electromagnet is lower.
In D current is flowing in the same direction but number of turns in first electromagnet is lower.
In E current is flowing in the same direction but number of turns in both electromagnets are lower than the previous case.
In F current is flowing in the opposite direction therefore it exhibits force of repulsion.
In A current is flowing in the opposite direction and the number of turns in both the electromagnets are higher therefore the force of repulsion is very high2) the magnetic force on the particle in all the four cases is zero because the charge is stationary even though there is a magnetic field pointing towards the right but the field strength is a constant therefore there is no force acting on both the loop or the charge
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