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sineoko [7]
3 years ago
13

When the power in their house unexpectedly went off, Radhika's mother said that she would check and replace the fuse. What exact

ly would she replace ? A) a piece of wire B) a bulb. C) an electric meter. D) a switch
Physics
1 answer:
denis23 [38]3 years ago
6 0

A) a piece of wire

Explanation:

Radhika's mother is simply replacing piece of wire.

A fuse is made up of a thin strip of wire that melts when there is an over current.

  • A fuse is electrical safety device in circuit that protects appliances from over current.
  • The wire in a fuse has a high resistance and low melting point.
  • When current is high, the resistance of the wire causes it to melt and break the circuit.
  • In this way, appliances are protected from the harmful effect of the surge in voltage.

Learn more:

Current brainly.com/question/3051098

#learnwithBrainly

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series and parallel

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What is the force exerted on a charge of 2. 5 µC moving perpendicular through a magnetic field of 3. 0 × 102 T with a velocity o
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The force acting on a moving charge is known as the magnetic force. The force acting on the charge will be 3.75 N.

<h3>What is the force exerted on the charge?</h3>

Magnetic fields only exert a force on a moving electric charge. A moving charge generates a magnetic field. With an increase in charge and magnetic field strength, this force rises.

when charges have higher velocities, the force is stronger. However, the magnetic force is always perpendicular to the velocity.

Mathematically the force exerted on the charge will be

F=qvBsinα

F= force acting on the charge

v = velocity of charge

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F=qvBsinα

F=2.5×10⁻⁶×5.0×10³×3.0×10²

F=37.5 N

Hence The force acting on the charge will be 3.75 N.

To learn more about the force acting on charge refer to ;

brainly.com/question/451411

F = q V B sinα

Where F is the force applied to a moving charge.

V = charge velocity

q stands for charge.

α = angle between V and B directions

As a result, the moving charge is subjected to a force of 3.75 Newton.

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