QUIZ 1

1. What is the formula to calculate electric power in watts when voltage and current are known?

• A. P=I×R
• B. P=V×I
• C. P=R×I
• D. P= I V 2 ​

2. If a circuit has a resistance of 10 ohms and the current flowing through it is 2 amperes, what is the voltage across the circuit?

• A. 5 volts
• B. 10 volts
• C. 20 volts
• D. 30 volts

3. In a parallel circuit, what happens to the total current when more branches are added?

• A. The total current decreases
• B. The total current remains the same
• C. The total current increases
• D. The total current becomes zero

4. The unit of electric current is measured in volts.

• TRUE
• FALSE

5. Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points, provided the temperature remains constant.

• TRUE
• FALSE