Master Electricity with Picmonic for College

With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing.


Recommended Picmonics

picmonic thumbnail
Newton's First Law
picmonic thumbnail
First Law of Thermodynamics
picmonic thumbnail
Photosynthetic Light Reactions
picmonic thumbnail
picmonic thumbnail


Electricity is described as the flow of electrons. And like flowing water, this current is affected by pressure, intensity, and resistance.
Charging the city

Electrical charge is characterized by the relative imbalance of positively and negatively charged particles in matter. For example, an object with more negatively charged particles (electrons) is said to have a negative charge.

Flow of Electrons
Electrons flowing across atoms

Objects powered by electricity harness the flow of electrons to operate. These electrons will generate charge as they accumulate, a form of potential energy.


Voltage is defined as the quantity of a charge. Voltage is the amount of pent-up electrical energy in a given circuit. Voltage can be calculated by multiplying Amperes by Ohms. V=IR.


Voltage is analogous to pressure. Visualizing water pressure building up behind a dam. The potential energy of water pushing against the wall of the dam is analogous to voltage.

Flowing Current

Electrical current is defined as the amount of energy flowing through a circuit per unit time. It is measured in amperes and is analogous to water flowing through a pipe. As the amount of water that can flow through a pipe is dependent on the pressure of the water and the diameter of the pipe, so too is electrical current dependent on voltage and resistance. Current equals volts divided by Ohms.


Amperes is the unit of measurement associated with current. It can be calculated by dividing the volts in a circuit by the Ohms.

Resisting Flow

Resistance is the third component of electrical flow and the namesake of Ohm’s law. Electrical resistance is defined by how conductive to electricity a given circuit is. Good conductors of electricity, such as copper and gold, have low resistance- whereas poor conductors such as wood or distilled water have high resistance. In our dam analogy, think of resistance as the diameter of the pipe water must flow through.


Resistance is measured in Ohms. Calculate Ohms by dividing the Volts by the Amperes in a given circuit.


Take the Electricity Quiz

Picmonic's rapid review multiple-choice quiz allows you to assess your knowledge.

It's worth every penny

Our Story Mnemonics Increase Mastery and Retention

Memorize facts with phonetic mnemonics

Unforgettable characters with concise but impactful videos (2-4 min each)

Memorize facts with phonetic mnemonics

Ace Your College Classes & Exams with Picmonic:

Over 1,610,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 College student study app.

Picmonic for College covers information that is relevant to your entire College education. Whether you’re studying for your classes or getting ready to conquer , we’re here to help.

Works better than traditional College flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.