Device that measures electric current

Answers

Answer 1

Answer: This device is called an ammeter.

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A deficiency in zinc might result in stunted growth. Please select the best answer from the choices provided. T F

Answers

This is a true statement.It is said to be 'vital' to the growth of humans in an experiment and said to lead dwarfism if you do not get the amount you need.

A deficiency in zinc might result in stunted growth and the best answer to the question is TRUE.

What is deficiency of zinc ?

The deficiency of zinc is the lack of zinc minerals in diet or human system.

Zinc deficiency is characterized by the following;

Stunted growth,
Loss of appetite, and
Impaired immune function

Thus, a deficiency in zinc might result in stunted growth and the best answer is TRUE.

Learn more about deficiency in zinc here: brainly.com/question/1052781

What is resultant vector?

Answers

Answer:

Is the sum of a vector of two or more vectors.

an 11 ohm resistor and a 6 ohm resistor are connected in series with a battery. the potential difference across the 6 ohm resistor is 9 volts. find the potential difference across the battery

Answers

Two resistors in series are often called a 'voltage divider', because the
total voltage divides in proportion to the resistances.

The total resistance in the string across the battery is (11 + 6) = 17 ohms.

-- The full battery voltage appears across 17 ohms.
-- The voltage across the 11-ohms is (11/17) of the battery, and
-- the voltage across the 6-ohms is (6/17) of the battery.

(6/17) x (B) = 9 volts

Multiply each side by (17/6) : B = (9 volts) x (17/6) = 25.5 volts .

By the way, in case you care or are asked . . .

-- The current in the whole series loop is B/R = 25.5 / 17 = 1.5 Amperes
-- The power drawn from the battery is B²/R = (25.5)²/17 = 38.25 watts
-- The power dissipated by the 6-ohm resistor is V²/R = 9²/6 = 13.5 watts
-- The power dissipated by the 11-ohm resistor is I²R = (1.5)² (11) = 24.75W
-- (Check: 13.5W + 24.75W = 38.25W yay! )
-- If they're just composition units hanging out in the air, then both resistors
are getting quite warm.

Name a characteristic physical property?

Answers

Land, housing, business.

A solid sphere has a radius of 0.200 m and a mass of 150.0 kg. how much work is required to get the sphere rolling with an angular speed of 50.0 rad/s on a horizontal surface? assume that the sphere starts from rest and rolls without slipping.

Answers

Here in this case we can use work energy theorem

As per work energy theorem

Work done by all forces = Change in kinetic Energy of the object

Total kinetic energy of the solid sphere is ZERO initially as it is given at rest.

Final total kinetic energy is sum of rotational kinetic energy and translational kinetic energy

$KE = (1)/(2)Iw^2 +(1)/(2) mv^2$

also we know that

$I = (2)/(5)mR^2$

$w= (v)/(R)$

Now kinetic energy is given by

$KE = (1)/(2)((2)/(5)mR^2)w^2 +(1)/(2) m(Rw)^2$

$KE = (1)/(5)mR^2w^2 +(1)/(2) mR^2w^2$

$KE = (7)/(10)mR^2w^2$

$KE = (7)/(10)*150*(0.200)^2(50)^2$

$KE = 10500 J$

Now by work energy theorem

Work done = 10500 - 0 = 10500 J

So in the above case work done on sphere is 10500 J

What is a time interval?

Answers

"Time" has no beginning, no end, and no definite length.

An interval is a piece cut out of time.
It has a beginning, an end, and a definite length.

I just made this up, but I humbly assert that it's got
everything you need to know about an interval of time.

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