0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
To use a needle and cotton?
to use needle and cotton means to knit
What will be deflection in compass needle of a magnet when a current carrying wire is placed over it?
The compass needle will turn until it's perpendicular to the wire, provided the current in the wire is enough to generate a magnetic field around the wire that's strong enough to swamp out the effects of the Earth's magnetic field. (That doesn't take much current.)
What sort of material do you need to detect a magnetic field?
metal iron paperclip anything that is magnetic
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 is the main use of lad wire?
The main use of lead wire is as connection to an electric pole of an electronics component.
When a flows in a wire a compass needle near the wire will move?
The wire will move due to magnetic forces got from the compass needle since its a good conductor of electricity.
What are the difference between a wire loop and a wire needle?
ewan ko
To use a needle and thread?
To use a needle and thread could be called sewing.To use a needle and thread could be called quilting. To use a needle and thread could be called embroidery. To use a needle and thread could be called suturing.
How is a guide wire use in an angiographic procedure?
guide wire is fed through the outer needle into the artery to the area that requires angiographic study. A fluoroscope displays a view of the patient's vascular system and is used to direct the guide wire to the correct location
What is a teasing needle?
a teasing needle is a needle that is use when dissecting something
To use a needle and cotton?
to use needle and cotton means to knit
What happens to the compass needle when the current in the wire is switched?
It will return to pointing North.
What will be deflection in compass needle of a magnet when a current carrying wire is placed over it?
The compass needle will turn until it's perpendicular to the wire, provided the current in the wire is enough to generate a magnetic field around the wire that's strong enough to swamp out the effects of the Earth's magnetic field. (That doesn't take much current.)
Determine the direction in which a compass needle will point when held above a wire with positive charges moving west?
The compass needle will point north-south.
What kind of test can determine that an electric current is flowing in a straight copper wire is connected to a battery?
A compass needle test will determine whether a current is flowing in the wire.IF the current is flowing the compass needle will deflect from alignment with the wire.
How and what shall you use to make a homemade magnet?
It depends what you want to use it for. You can take something like a needle and stroke it in one directions multiple times over a magnet ( You can use that needle as a compass pointing north with some other help) Something else you can do, is take a long nail and twist some copper wire around it multiple times. If you then take each end of that copper wire and attach it to the respective ends on the battery it will create an electro magnet
When you get your belly button pierced do they use a needle or a gun?
Needle.
