Engineering High School

A current of 0.20 A passes through a 3.0 resistor. The resistor is connected in series with a 6.0 V
battery and an unknown resistor. What is the resistance value of the unknown resistor?

Answers

Answer 1

By applying Ohm's law, the resistance value of the unknown resistor is equal to 27.0 Ohms.

What is Ohm's law?

Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.

Mathematically, Ohm's law is given by this formula;

V = IR

Where;

V represents voltage measured in voltage.I represents current measured in amperes.R represents resistance measured in ohms.

How to calculate the unknown resistor?

By applying Ohm's law, we would determine the resistance of the battery as follows:

V = IR

R = V/I

R = 6/0.2

Resistance, R = 30.0 Ohms.

Now, we can calculate the resistance value of the unknown resistor:

Unknown resistance = 30.0 - 3.0

Unknown resistance = 27.0 Ohms.

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Related Questions

Why are nails referred to be term “ penny”?(ex:21 penny nails ) pocket ref

Answers

Answer:

The term "penny" used with nails was a measurement, originally in England, meaning price per 100.


What is the most common construction design used to build small and medium size passenger cars?

Answers

Answer: Also called a 'space frame construction or unitized construction', this is the most common type of configuration used to build small and medium passenger cars.

Explanation:

multiple choice
What is the idea behind form following function?

A good design is based on the imitation of organic life.

A good design is based on how the object or structure will be used.

A good design is based on what looks the most visually appealing.

A good design is based on how quickly the object or structure can be created.

Answers

The idea behind form following function is: B. A good design is based on how the object or structure will be used.

What is form?

Form can be defined as an element of art and it has three-dimensions, height width and depth, and are usually enclosed in space.

This ultimately implies that, height (length), width (breadth) and depth are the three dimensional parameters that makes up a form. Also, form as a principle of design, an element of art, and media can either be geometric or free-form.

Generally speaking, the function of a physical object refers to what it can be used to do such as proffering a solution to a specific problem.

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Is it OK to pass cars that have pulled over to let emergency vehicles through

Answers

no it is not and it’s unsafe

Elucidate the importance of an animal doctor.​

Answers

Answer:

An animal doctors are professionally trained people to take care of the animals

Explanation:

they are professionally trained people to take care of the animals because they know understand well the behavior, signals, languages and communications from the animals to know what the want or what is wrong with them

la derivada de g(x)=4-x2

Answers

g’(x)= 4-2x
You multiply x with the power of 2 and subtract a power leaving you only with one x hence 2x
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