1. A circuit carries a current of 1.0 A. How many electron charges pass a given point in the circuit each second?   Answer (41.0K)

2. A 50 ohm resistor has both of its terminals connected to the positive terminal of a 12 V battery. What is the current in the resistor?   Answer (29.0K)

3. What is the potential difference across a 50 W resistor carrying a current of 2.4 A?   Answer (41.0K)

4. A 9 V battery is connected to a resistor in a complete circuit for which the current is measured to be 2.0 A. Calculate the value of the resistor.   Answer (43.0K)

5. Two 20 W resistances are connected in series. Find the value of a single resistor that could be used to replace both 20 W resistors without changing the current in the circuit.   Answer (42.0K)

6. Two 20 W resistors are connected in parallel. Find the value of a single resistor that could be used to replace both 20 W resistors to have the same potential difference between its terminals as was across each of the original 20 W resistors.   Answer (57.0K)

7. A 20 W, a 70 W, and a 50W resistor are connected in series with a 120 V source. Calculate the current that is supplied by the source and the current carried by each resistor.   Answer (47.0K)

8. A 6.0 V battery supplies 0.7 A to a circuit. Calculate the power supplied by the battery.   Answer (39.0K)

9. A 80 W resistor carries a current of 2.0 A. Calculate the power dissipated in the resistor.   Answer (40.0K)

10. A sinusoidal signal has a 180 V maximum. Calculate its effective voltage.   Answer (32.0K)