1. Three 15 ohm resistors are connected in parallel circuit that is connected to a 30 V power source. a. What is the total resistance of the parallel circuit? b. What is the total current supplied by the power source? c. What is the current through each branch of the circuit?

2. Ten and Fifteen ohm resistors are connected in parallel circuit that is connected to a 15 V power source. a. What is the total resistance of the parallel circuit? b. What is the total current supplied by the power source? c. What is the current through each branch of the circuit?

3. One hundred twenty, sixty and thirty six ohm resistors are connected in parallel circuit that is connected to a 12 V power source. a. What is the total resistance of the parallel circuit? b. What is the total current supplied by the power source? c. What is the current through each branch of the circuit?

4. The 36 ohm resistor in the circuit from number 3 is replaced by a 24 ohm resisitor. a. Does the total resistance of the circuit increase, decrease, or remain the same? b. Does the total current supplied by the power source increase, decrease, or remain the same? c. Does the current in the 120 and 60 ohm resister increase, decrease, or remain the same?