Voltage current Resistance Leave a Comment / By admin / October 29, 2024 Welcome to your Voltage current Resistance 1. What is the unit of electric current? Volt Ohm Ampere Watt None 2. What is the unit of voltage? Ampere Volt Ohm Coulomb None 3. According to Ohm's Law, what is the relationship between voltage (V), current (I), and resistance (R)? V=I+R 𝑉 = 𝐼 × 𝑅 𝑉 = 𝑅 − 𝐼 𝑉 = 𝑅 / 𝐼 None 4. What is the SI unit of resistance? Ohm Joule Ampere Volt None 5. If the resistance in a circuit is increased, what happens to the current, assuming the voltage remains constant? The current increases The current decreases The current stays the same The current doubles None 6. Which of the following best defines resistance? The flow of electric current The opposition to the flow of electric current The amount of electric charge The speed of electric current None 7. What does Ohm's Law state? Voltage is directly proportional to the current Resistance is inversely proportional to the current Current is inversely proportional to voltage Current is inversely proportional to power None 8. If a circuit has a voltage of 10 volts and a resistance of 2 ohms, what is the current? 10A 5A 2A 12A None 9. What is the symbol for resistance in electrical equations? R A V C None 10. Which instrument is used to measure voltage in a circuit? Ammeter Voltmeter Ohmmeter Thermometer None 11. Which quantity is defined as the amount of charge flowing per second? Voltage Current Resistance Power None 12. Which law explains the relationship between current, voltage, and resistance? Coulomb’s Law Newton's Law Faraday's Law Ohm's Law None 13. Which of the following affects the resistance of a conductor? Length of the conductor Thickness of the conductor Material of the conductor All of the above None 14. If the cross-sectional area of a conductor increases, what happens to its resistance? It increases It decreases It remains the same It becomes infinite None 15. Which of the following materials would have high resistance? Silver Copper Rubber Aluminum None 1 out of 2 Please fill in the comment box below. Time's up
