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What kind of wire can be used to make a magnet?
A copper wire can be used to make an electromagnet by wrapping it around a magnetic core material such as iron. When an electric current flows through the wire, it creates a magnetic field around the wire, which magnetizes the core material.
How much can the wire loop in a galvanometer turn?
The wire loop in a galvanometer can typically turn up to 90 degrees due to the magnetic field generated by the current flowing through it. This movement is restricted to allow for accurate measurement of the current passing through the galvanometer.
What is used to turn the pointer of a galvanometer?
A magnetic field is used to turn the pointer of a galvanometer. This magnetic field is generated by passing current through a coil of wire in the galvanometer, resulting in a torque on the coil which turns the pointer.
How do you make a galvanometer?
To make a simple galvanometer, you will need a small compass needle, a coil of wire, a magnet, and a base to mount the components. Wind the coil of wire around the compass needle and connect the ends of the wire to a power source. When a current flows through the coil, it will interact with the magnetic field created by the magnet, causing the needle to deflect, indicating the presence and direction of the current.
What is the Similarities between a galvanometer and electric motor?
Both a galvanometer and an electric motor operate based on the principle of electromagnetic induction. They both have coils of wire that interact with a magnetic field to generate movement. Additionally, both devices can be used to measure or detect changes in electrical current.
