A mixture IS NOT a chemical combining of substances. If substances
combine chemically, then they form a compound, not a mixture.
Answer:
Electric current can best be induced in a wire by moving a magnet up and down near the wire is the correct answer.
Explanation:
Electric current is the flow of electron that carries the negative charge in the electric circuit.
Electric current induced in the wire through:
- Electric current is induced in the wire when the magnet moves in and down of the wire that is connected to a very high resistance voltmeter and when we move the magnet up and down the magnetic flux gets change and these changes produce induced current
- When the coil of wire is put in the magnetic field which is changing then the current will be induced in the wire.
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Complete Question
The complete question is shown on the first uploaded image
Answer:
a
b
Explanation:
From the question we are said that
The mass of the shed is
The pulling force is
The angle is
The distance covered is
The kinetic force is
Generally the work done is mathematically represented as
=>
=>
Generally according to the work-energy theorem
Here is total work done which is mathematically represented as
=>
=>
Also is the change in kinetic energy which is mathematically represented as
Here u is the initial velocity of the shed when at rest
=>
So
=>
=>
Answer:
Polarized sunglasses
Explanation:
Polarized sunglasses are comprised of polarized lenses which have a special type of filter that can block the strong reflected light emitted from the sun. It also helps in decreasing the beam of light and eventually reduces the discomfort during the bright sunlight. It reduces the eye strain to see the objects clearly and visibly.
These sunglasses are mostly used while driving and protects our eyes from the harmful incoming solar lights and enables a person to observe the path clearly without any disturbance.