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# Ohm's Law Mastery Quiz

### 1. What does Ohm's Law state?

### 2. In a circuit with a resistance of 5 ohms and a current of 2 amperes, what is the voltage across the circuit?

### 3. Which of the following materials would likely have the highest resistance?

### 4. What happens to the current in a circuit if the voltage is doubled while the resistance remains the same?

### 5. For a given wire, if its length is doubled while keeping its material and cross-sectional area constant, what happens to its resistance?

### 6. Which unit is used to measure electrical resistance?

### 7. If the resistance in a circuit is increased while the voltage remains constant, what happens to the current?

### 8. What is the resistance of a bulb that draws 0.5 amperes of current under a voltage of 10 volts?

### 9. If a circuit is described as 'high resistance,' what can be inferred about the flow of current through it?

### 10. What effect does increasing the cross-sectional area of a conductor have on its resistance?