3 years ago

Which changes in an electric motor will make the motor stronger? Check all that apply.

1 answer:

8 0

To make the motor turn faster we can:
(a) increase the current
(b) use stronger magnets
(c) push the magnets closer to the coil
(d) put an iron centre piece into the coil
(e) adding more sets of coils

You might be interested in

Which best illustrates the gravitational force in action?

Hitman42 [59]

Answer:

A picture of a baseball being thrown tworad a batter at home plate.

5 0

3 years ago

Which of the following best describes a plane?

ASHA 777 [7]

From that list of choices, choice 'B' is the only example of a plane,
but it doesn't 'describe' it at all.

7 0

3 years ago

In which decade was Sputnik I launched? A. 1930-1939 B. 1950-1959 C. 1960-1969 D. 1980-1989

Olenka [21]

B) 1950-1959
Sputnik I was launched on October 4, 1957

6 0

3 years ago

How does the friction get affected by the nature of surface?

aleksley [76]

Answer:

The heat causes the molecules on rubbing surfaces to move faster and have more energy.

8 0

3 years ago

Given the frequency of an electromagnetic wave, what else can you find immediately?

Oksana_A [137]

Answer:

wavelength

Explanation:

An electromagnetic waves is produced due to interaction of oscillating electric and magnetic field when they interacts perpendicular to each other. For example, Gamma rays, X rays , ultraviolet rays, visible radiations, infrared rays, micro waves, radio waves.

All the electromagnetic waves have velocity equal to velocity of light.

If the frequency of electromagnetic wave is unknown then we find the wavelength of wave. the formula used is

Wave speed = wavelength x frequency

3 0

3 years ago