Robin has an iron rod around which she wraps copper wire. She places the device on a table near a compass. What will happen to the compass if she sends current through the copper wire?
Responses
The needle of the compass will point toward the device.
The needle of the compass will point toward the device.
The needle of the compass will point at a right angle to the device.
The needle of the compass will point at a right angle to the device.
The needle of the compass will show no effect.
The needle of the compass will show no effect.
The needle of the compass will spin in circles.
The needle of the compass will spin in circles.
1 answer
The needle of the compass will point at a right angle to the device. This is because sending current through the copper wire creates a magnetic field, which interacts with the magnetic field of the compass, causing it to align at a right angle to the direction of the current.