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mario62 [17]
3 years ago
13

What must happen to the electric current in power lines before it can safely enter your home?

Physics
2 answers:
Morgarella [4.7K]3 years ago
7 0

Answer: use the step down transformers to reduce these voltages in the power lines before they are supplied to the users.

Explanation:

lozanna [386]3 years ago
5 0

Answer:

It passes through a step-down transformer.

Explanation:

Electric current in power lines must be stepped down before they enter our homes because they carry a very high voltage.

The voltage can destroy appliances that have very low voltage.

  • In this regard, a step down transformer is used to achieve this effect.
  • The transformer brings the voltage to a level fit to consumers to use.
  • When voltage is stepped down, appliances can work perfectly.
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What are two types of diffraction?
tino4ka555 [31]
Fresnel and Fraunhofer diffraction. Fresnel diffraction is produced when light from a point source meets an obstacle, the waves are spherical and the pattern observed is a fringed image of the object. Fraunhofer diffraction occurs with plane wave-fronts with the object effectively at infinity. The pattern is in a particular direction and is a fringed image of the source.
7 0
3 years ago
28.25 mL, three signicant digits
Mazyrski [523]

Answer:3) variable affinities (stickiness) for something it is running past. Physical ... -measurement number (significant digits) unit (such as inches) -Significant ... Mass 1 oz. 28.25 g. Relations Between English and Metric Units Mass 1 dram. 1.772 g ... -graduated cylinder has an error of about 1% (± 0.1 mL in 10 mL). -Volumetric

Explanation:

3 0
3 years ago
Read 2 more answers
Friction is a force in which two objects __________.
balu736 [363]
The answer should be C) Slide against each other.
7 0
3 years ago
Read 2 more answers
The velocity of a 1.3 kg block sliding down a frictionless inclined plane is found to be 1.26 m/s. 1.10 s later, it has a veloci
nasty-shy [4]

Answer:

\theta = 25.3^\circ

Explanation:

The acceleration of the block can be found by the kinematics equations:

v = v_0 + at\\5.88 = 1.26 + a(1.1)\\a = 4.2~m/s^2

Since the plane is frictionless, the only force acting on the block along the motion of the block is its weight.

F = mg\sin(\theta) = ma\\g\sin(\theta) = a\\(9.8)\sin(\theta) = 4.2\\\theta = 25.3^\circ

7 0
4 years ago
Which of the following statements about Masters programs is not correct?
uranmaximum [27]

The correct answer is C. The level of competition is not very high in most Masters  programs.

Explanation:

In sports, the word "master" is used to define athletes older than 30 and that usually are professional or have trained for many years, although novates are also allowed. This means in most cases in Master programs and teams a high level of competition can be expected due to the experience and extensive training of Master athletes. Indeed, many records in the field of sport belong to Master athletes rather than younger athletes. According to this, the incorrect statement is "The level of competition is not very high in most Masters  programs".

7 0
3 years ago
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