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What is a magnetized needle that is attracted to the Earth's North magnetic pole?
It is still a needle, but could be referred to as a compass needle.
Can you use a compass to detect the currents in wires in the walls near light switches in your home?
Yes, the needle would point perpendicular to the wire, and parallels to the magnetic lines of the wire. Another answer The above answer would be correct IF you were dealing with a DC circuit AND there was a load on the circuit, but house wiring uses Alternating Current, and the compass needle would attempt to reverse directions at the rate of 60 cycles per second. Effectively, the needle would simply act strange when it's near house wiring, IF there is a current load on the wire. ++ To add to that, use a proper cable-locator, not a compass.
What would a compess point to if you were at the north pole?
If you are at the North pole, the north point of the magnetic needle in the compass will tilt a little downwards, and the south pole of the compass needle will tilt upwards. If you hold the compass in a direction vertically perpendicular to the surface of the Earth, the needle will align itself like the earth's magnetic field, as if it were a huge bar magnet, the north part of the needle facing upwards.
Where should a timer be installed - at the electrical outlet or the end of a power cord?
The outlet would be the more often recommended place for it.An electrical timer can be placed anywhere within the circuit. Usually the timer would be placed at the front end of the circuit.
If you were in Uruguay and looked at your compass which way would the needle be pointing?
It depends which direction you're facing, it has nothing to do with where on the planet you are.WRONG ANSWER! Regardless of WHERE you are, or WHICH way you are looking, the compass needle will point to the NORTH. Not to the NORTH POLE mind you, but to the MAGNETIC NORTH, which is a little bit off from the TRUE NORTH and also MOVES a little bit every year. This is called VARIATION and depending on where you are, the TRUE NORTH may be to the right or to the left of where the compass needle points. Your reading will also be a little bit off to one side or the other, depending on which direction the needle is pointing (hey, nobody's perfect), but this is predictable and can be measured when the compass is calibrated (a process called swinging the compass). This is called COMPASS DEVIATION (don't think deviate now...) Another change may happen if you are going from West to East or viceversa AND you are accelerating or deccelerating, in which case the needle will lag. Last but not least, if you have any kind of magnetic interference near the compass, like a screwdriver with a magnetic tip, oh well then... the needle may be pointing God knows where.Northnorth because that's what way compasses point.
What would happen if you placed a compass near an electromagnet?
The compass needle would align itself with the magnetic field produced by the electromagnet. The north-seeking end of the compass needle would point towards the south pole of the electromagnet, and vice versa.
What will happen if you place a magnetic compass in an electric curcuit?
Placing a magnetic compass in an electric circuit would interfere with its ability to accurately point to the Earth's magnetic north. The magnetic field generated by the electric current in the circuit would cause the compass needle to deflect from its normal orientation.
What would happen if you placed a compass near an electromagnet when there is an electric current in the coil of the electromagnet?
The needle of the compass will align itself with the magnetic field produced by the electromagnet due to the flow of electric current in the coil. The compass needle will point in the direction of the magnetic field lines, which are generated by the current passing through the coil of the electromagnet.
What would happen if you put magnet next to a compass?
The compass needle would be affected by the magnetic field from the nearby magnet. The needle would align itself with the magnetic field of the magnet, causing the compass to point in a direction different from true north.
What is a magnetized needle that is attracted to the Earth's North magnetic pole?
It is still a needle, but could be referred to as a compass needle.
Which end of a compass needle would point toward the north pole of a bar magnet?
The north end of a compass needle would point toward the north pole of a bar magnet.
How would the compass respond when you turn on the current in this scenario?
The compass needle would align itself with the direction of the current flow.
When a compass is placed near a conductor where current flows its needle would deflect what does this indicate?
This proves that a magnetic field is developed around the conductor wen current flows through it...
If there was a magnet beside a compass would the compass point to the north or south?
If there is a magnet beside a compass, the compass needle would be influenced by the magnetic field of the magnet rather than Earth's magnetic field. The needle would point towards the opposite pole of the magnet, so if the magnet's north pole is beside the compass, the compass needle would point towards the south.
What metal material would be best for a needle of a compass?
Iron or steel
What would happen if you put a compass next to a electromagnet?
The compass needle would align itself with the magnetic field produced by the electromagnet. The north-seeking pole of the compass needle would point towards the south pole of the electromagnet, indicating the direction of the magnetic field.
Can you use a compass to detect the currents in wires in the walls near light switches in your home?
Yes, the needle would point perpendicular to the wire, and parallels to the magnetic lines of the wire. Another answer The above answer would be correct IF you were dealing with a DC circuit AND there was a load on the circuit, but house wiring uses Alternating Current, and the compass needle would attempt to reverse directions at the rate of 60 cycles per second. Effectively, the needle would simply act strange when it's near house wiring, IF there is a current load on the wire. ++ To add to that, use a proper cable-locator, not a compass.
