# Electric Power

Electric power, a cornerstone of modern civilization, plays an indispensable role in powering various aspects of daily life, industry, and technology. This form of energy, generated from sources such as coal, natural gas, nuclear, hydro, and renewable resources, is transformed into electricity and distributed through complex networks to homes, businesses, and infrastructure worldwide. The ability to harness and utilize electric power has catalyzed societal advancements, enabling innovations in communication, transportation, healthcare, and countless other fields. Understanding the generation, transmission, and consumption of electric power is essential for addressing global energy challenges and ensuring sustainable development in the 21st century.

- An electric toy car with a mass of #3 kg# is powered by a motor with a voltage of #3 V# and a current supply of #7 A#. How long will it take for the toy car to accelerate from rest to #4 m/s#?
- An electric toy car with a mass of #6 kg# is powered by a motor with a voltage of #7 V# and a current supply of #3 A#. How long will it take for the toy car to accelerate from rest to #4 m/s#?
- A charge of #36 C# passes through a circuit every #4 s#. If the circuit can generate #9 W# of power, what is the circuit's resistance?
- A charge of #5 C# passes through a circuit every #5 s#. If the circuit can generate #15 W# of power, what is the circuit's resistance?
- How much power is produced if a voltage of #3 V# is applied to a circuit with a resistance of #45 Omega#?
- A charge of #24 C# passes through a circuit every #18 s#. If the circuit can generate #16 W# of power, what is the circuit's resistance?
- A charge of #18 C# passes through a circuit every #2 s#. If the circuit can generate #24 W# of power, what is the circuit's resistance?
- An electric toy car with a mass of #5 kg# is powered by a motor with a voltage of #12 V# and a current supply of #5 A#. How long will it take for the toy car to accelerate from rest to #3 m/s#?
- A charge of #30 C# passes through a circuit every #5 s#. If the circuit can generate #33 W# of power, what is the circuit's resistance?
- How much power is produced if a voltage of #3 V# is applied to a circuit with a resistance of #9 Omega#?
- Why do batteries run down?
- A charge of #16 C# passes through a circuit every #12 s#. If the circuit can generate #1 W# of power, what is the circuit's resistance?
- A charge of #15 C# passes through a circuit every #2 s#. If the circuit can generate #15 W# of power, what is the circuit's resistance?
- A charge of #24 C# passes through a circuit every #18 s#. If the circuit can generate #8 W# of power, what is the circuit's resistance?
- An electric toy car with a mass of #3 kg# is powered by a motor with a voltage of #9 V# and a current supply of #5 A#. How long will it take for the toy car to accelerate from rest to #2/7 m/s#?
- Why is electric power transmitted at high voltages?
- How much power is produced if a voltage of #6 V# is applied to a circuit with a resistance of #54 Omega#?
- If a current of #7 A# passing through a circuit generates #35 W# of power, what is the resistance of the circuit?
- A charge of #25 C# passes through a circuit every #4 s#. If the circuit can generate #1 W# of power, what is the circuit's resistance?
- A charge of #27 C# passes through a circuit every #3 s#. If the circuit can generate #72 W# of power, what is the circuit's resistance?