Magnets
The type of magnets that are used to make good permanent magnets.
What is a hard magnet?
He discovered that a changing magnetic field can produce an electric current.
Who is Michael Faraday?
The scientist who established that a current-carrying wire establishes a magnetic field around it.
Who is Hans Christian Oersted?
This transparent optical device refracts light to converge or diverge rays, forming images of objects.
What is a lens?
A device that converts mechanical energy into electrical energy.
What is a generator?
The magnetic force when the North and another North pole face each other.
What is repulsive force?
The part of a solenoid with the strongest magnetic field.
What is inside?
The part of the right-hand that pertains to the direction of the magnetic field.
What are the rest of the fingers?
This is an application of converging lenses to capture moments in a moment in time.
What is a camera?
A temporary magnet is made by passing an electric current through a wire coiled around a core.
What is an electromagnet?
The parts of the magnet with the greatest field strength.
What are poles?
The device is the result of the application of an electric current to a magnetic field that allows a mechanism to be in motion.
What is a motor?
In the Oersted experiment, this object indicates that there is current flowing through the set-up.
What is a light bulb?
The rule illustrates an incident ray that is parallel to the principal axis with the extended refracted ray aligned with the focal point.
What is PaFo?
The three words represented by this abbreviation refer to the application of a solenoid to look inside the body. This also emits radio waves.
What is Magnetic Resonance Imaging (MRI)?
The direction of magnetic field lines around a bar magnet.
What is north to south?
The material that would be best to use for the core of an electromagnet to pick up the most nails.
What is iron?
The factors to increase the deflection of a compass.
What are adding more coils and increasing the voltage?
The location of an object in a convex lens where there is no image formed.
What is exactly on F?
The path of light with respect to the normal line when it passes from a slow to fast medium.
What is away from the normal line?
The geographic north corresponds to this magnetic pole.
What is south magnetic pole?
A student attaches a meter to a wire coil. Next, the student moves a magnet back and forth through the coil. As the magnet moves back and forth, this is what the galvanometer indicates.
What is current?
A student attaches a wire wrapped three times on a compass to a power supply. For Set-up A, she started with 12 V to observe the deflection. Next, the student switches to 9 V for Set-up B. This is the set-up with the weaker magnetic force.
What is Set-up B?
The speed of light through a material with a refractive index of 2.42.
What is 1.24x108 m/s?
Light refracts when it moves from air (n = 1.003) to rock salt (n = 1.54). A student replaced rock salt with ice (n = 1.31), this is the change in the angle of refraction after the change of medium.
What is increase?