Multiples and Submultiples of Coulombs

Oct 13, 2025 by wbrum.org 86 views

Understanding and Filling in the Missing Values of Charges in Coulombs and Submultiples

In the field of physics, particularly in the study of electricity and electromagnetism, the unit of charge is measured in coulombs (C). However, in many cases, it is more convenient to express charges in multiples or submultiples of coulombs. In this article, we will explore the concept of charges in multiples of coulombs and fill in the missing values in a given table.

What are Coulombs?

A coulomb (C) is the SI unit of electric charge, named after the French physicist Charles-Augustin de Coulomb. It is defined as the amount of electric charge that flows through a conductor in one second when the current is one ampere. In other words, one coulomb is equal to one ampere-second.

Multiples and Submultiples of Coulombs

To express charges in multiples or submultiples of coulombs, we use prefixes such as kilo- (k), mega- (M), giga- (G), and milli- (m). These prefixes are used to denote a power of 10, where:

kilo- (k) = 10^3 = 1000
mega- (M) = 10^6 = 1,000,000
giga- (G) = 10^9 = 1,000,000,000
milli- (m) = 10^-3 = 0.001

Using these prefixes, we can express charges in multiples or submultiples of coulombs as follows:

kilocoulombs (kC) = 10^3 C = 1000 C
megacoulombs (MC) = 10^6 C = 1,000,000 C
gigacoulombs (GC) = 10^9 C = 1,000,000,000 C
millicoulombs (mC) = 10^-3 C = 0.001 C

Table 1: Charges in Multiples of Coulombs

Coulombs (C)	kC	MC	GC	mC
1 C	1 kC	1 MC	1 GC	1 mC
	1000 C	1,000,000 C	1,000,000,000 C	0.001 C

Filling in the Missing Values

Now that we have a better understanding of the concept of charges in multiples of coulombs, let's fill in the missing values in the table.

Coulombs (C)	kC	MC	GC	mC
1 C	1 kC = 1000 C	1 MC = 1,000,000 C	1 GC = 1,000,000,000 C	1 mC = 0.001 C
0.1 C	0.1 kC = 100 C	0.1 MC = 100,000 C	0.1 GC = 100,000,000 C	0.01 mC = 0.00001 C
0.01 C	0.01 kC = 10 C	0.01 MC = 10,000 C	0.01 GC = 10,000,000 C	0.001 mC = 0.000001 C
0.001 C	0.001 kC = 1 C	0.001 MC = 1,000 C	0.001 GC = 1,000,000 C	0.0001 mC = 0.0000001 C

In conclusion, understanding and filling in the missing values of charges in multiples of coulombs is an essential concept in physics, particularly in the study of electricity and electromagnetism. By using prefixes such as kilo-, mega-, giga-, and milli-, we can express charges in multiples or submultiples of coulombs. The table provided in this article demonstrates how to fill in the missing values of charges in multiples of coulombs, using scientific notation where appropriate.

International System of Units (SI). (2019). The International System of Units (SI).
Coulomb, C. A. (1785). Recherches sur les lois du magnetisme et de l'électricité. Histoire de l'Académie Royale des Sciences, 569-577.

The values in the table are expressed in scientific notation, where the exponent is the power of 10. For example, 1,000,000 C is expressed as 1 MC, where M is the prefix for mega- and the exponent is 6.
Q&A: Understanding and Filling in the Missing Values of Charges in Coulombs and Submultiples

In our previous article, we explored the concept of charges in multiples of coulombs and filled in the missing values in a given table. However, we understand that there may be many questions and doubts that readers may have regarding this topic. In this article, we will address some of the most frequently asked questions (FAQs) related to charges in multiples of coulombs and submultiples.

Q: What is the difference between a coulomb and a kilocoulomb?

A: A coulomb (C) is the SI unit of electric charge, while a kilocoulomb (kC) is a multiple of the coulomb, equal to 1000 C.

Q: How do I convert a coulomb to a kilocoulomb?

A: To convert a coulomb to a kilocoulomb, you can simply multiply the number of coulombs by 1000. For example, 1 C = 1 kC = 1000 C.

Q: What is the relationship between a megacoulomb and a gigacoulomb?

A: A megacoulomb (MC) is equal to 1,000,000 C, while a gigacoulomb (GC) is equal to 1,000,000,000 C. Therefore, a gigacoulomb is 1000 times larger than a megacoulomb.

Q: How do I express a charge in scientific notation?

A: To express a charge in scientific notation, you can use the prefix system, where the prefix is followed by the exponent. For example, 1,000,000 C can be expressed as 1 MC, where M is the prefix for mega- and the exponent is 6.

Q: What is the difference between a millicoulomb and a microcoulomb?

A: A millicoulomb (mC) is equal to 0.001 C, while a microcoulomb (μC) is equal to 0.000001 C. Therefore, a microcoulomb is 1000 times smaller than a millicoulomb.

Q: How do I convert a coulomb to a millicoulomb?

A: To convert a coulomb to a millicoulomb, you can simply multiply the number of coulombs by 0.001. For example, 1 C = 1 mC = 0.001 C.

Q: What is the relationship between a kilocoulomb and a megacoulomb?

A: A kilocoulomb (kC) is equal to 1000 C, while a megacoulomb (MC) is equal to 1,000,000 C. Therefore, a megacoulomb is 1000 times larger than a kilocoulomb.

Q: How do I express a charge in terms of its submultiples?

A: To express a charge in terms of its submultiples, you can use the prefix system, where the prefix is followed by the exponent. For example, 0.001 C can be expressed as 1 mC, where m is the prefix for milli- and the exponent is -3.

In conclusion, understanding and filling in the missing values of charges in multiples of coulombs and submultiples is an essential concept in physics, particularly in the study of electricity and electromagnetism. By using prefixes such as kilo-, mega-, giga-, and milli-, we can express charges in multiples or submultiples of coulombs. We hope that this Q&A article has addressed some of the most frequently asked questions related to this topic and has provided a better understanding of the concept.

International System of Units (SI). (2019). The International System of Units (SI).
Coulomb, C. A. (1785). Recherches sur les lois du magnetisme et de l'électricité. Histoire de l'Académie Royale des Sciences, 569-577.