# Electric Power - Page 5

Questions

- An electric toy car with a mass of #8 kg# is powered by a motor with a voltage of #2 V# and a current supply of #4 A#. How long will it take for the toy car to accelerate from rest to #8/3 m/s#?
- How are harmonics generated in an electrical system?
- An electric toy car with a mass of #3 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 #8/3 m/s#?
- An electric toy car with a mass of #6 kg# is powered by a motor with a voltage of #3 V# and a current supply of #2 A#. How long will it take for the toy car to accelerate from rest to #7/2 m/s#?
- An electric toy car with a mass of #2 kg# is powered by a motor with a voltage of #9 V# and a current supply of #7 A#. How long will it take for the toy car to accelerate from rest to #5/2 m/s#?
- If a current of #3 A# passing through a circuit generates #9 W# of power, what is the resistance of the circuit?
- If a maximum resistance produced by two resistors is #5 Omega# and minimum resistance produced by them is #1.2 Omega#, then what is the value of the resistances?
- A charge of #24 C# passes through a circuit every #2 s#. If the circuit can generate #3 W# of power, what is the circuit's resistance?
- A charge of #24 C# passes through a circuit every #9 s#. If the circuit can generate #12 W# of power, what is the circuit's resistance?
- If a current of #8 A# passing through a circuit generates #14 W# of power, what is the resistance of the circuit?
- An electric toy car with a mass of #7 kg# is powered by a motor with a voltage of #2 V# and a current supply of #2 A#. How long will it take for the toy car to accelerate from rest to #1 m/s#?
- A charge of #30 C# passes through a circuit every #5 s#. If the circuit can generate #42 W# of power, what is the circuit's resistance?
- A charge of #54 C# passes through a circuit every #6 s#. If the circuit can generate #18 W# of power, what is the circuit's resistance?
- If a current of #8 A# passing through a circuit generates #32 W# of power, what is the resistance of the circuit?
- An electric toy car with a mass of #2 kg# is powered by a motor with a voltage of #9 V# and a current supply of #7 A#. How long will it take for the toy car to accelerate from rest to #3/2 m/s#?
- How much power is produced if a voltage of #6 V# is applied to a circuit with a resistance of #24 Omega#?
- How is hydroelectric power generated?
- A charge of #24 C# passes through a circuit every #9 s#. If the circuit can generate #16 W# of power, what is the circuit's resistance?
- How much power is produced if a voltage of #7 V# is applied to a circuit with a resistance of #38 Omega#?
- A charge of #8 C# passes through a circuit every #2 s#. If the circuit can generate #3 W# of power, what is the circuit's resistance?