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16 questions
For Fleming's left hand rule, the Thumb and first finger represent .......
magnetic field, force
force, current
force, magnetic field
current, force
The diagram show the direction of magnetic field,B and current, I.
By using Fleming left hand rules, determine the direction of Magnetic force, F.
no force produced
downward
into the page
out from the page
What direction does the wire move?
Up
Down
Left
Right
What direction would the wire move?
Up
Down
Left
Right
What direction would the wire move? (What direction does the force act?)
Up
Down
Left
Right
The cross represent the direction of the current in the wire. What is direction of the magnetic field around the wire?
clockwise
counterclockwise
A current carrying wire is placed between two magnets as shown in the diagram.What is the direction of force acting on the wire?
into the paper
out of the paper
right
left
The diagram shows two current carrying wires with magnetic field around them. What is the direction of the force acting on wire A and wire B when they are placed close together?
Force on Wire A: right; Force on Wire B: left
Force on Wire A: left; Force on Wire B: right
Force on Wire A: up; Force on Wire B: down
Force on Wire A: down; Force on Wire B: up
Three vertical conducting wires have the same current flowing in them and placed at equal distance apart. State the direction of the resultant force acting on the middle wire.
left
right
into the paper
zero
A proton enters the a region of magnetic field as shown in the diagram. State what happens to the proton.
It will continue to travel straight through.
It will experience an upward force.
It will experience a downward force.
It will experience a force acting into the paper.
Two copper rods fixed on the table are connected to the battery as shown in the diagram. Two aluminium rods are then placed perpendicularly on the copper rods as shown. State what happens to the two aluminium rods immediately upon contact with the copper rods.
Both moves to the right.
Both remains stationary.
They move away from each other.
They move closer to each other.
The diagram show the direction of magnetic field,B and velocity,v of an electron.
By using Fleming left hand rules, determine the direction of Magnetic force, F.
left
right
into the page
out from the page
The diagram show the direction of magnetic field,B and current, I.
By using Fleming left hand rules, determine the direction of Magnetic force, F.
left
downward
into the page
out from the page
The diagram show the direction of magnetic field,B and current, I.
By using Fleming left hand rules, determine the direction of Magnetic force, F.
no force produced
right
into the page
out from the page
The diagram show the direction of magnetic field,B and current, I.
By using Fleming left hand rules, determine the direction of Magnetic force, F.
no force produced
right
downward
out from the page
The diagram show the direction of magnetic field,B and velocity,v.
By using Fleming left hand rules, determine the direction of Magnetic force, F.
left
into
right
upward
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