Name: ___________________________________ Parallel Circuits WS 1. Use the parallel circuit on the right to answer the questions. a. What is the voltage across each bulb? __________ b. What is the current in each branch? __________ __________ c. What is the total current provided by the battery? __________ d. Use the total current and total voltage to calculate the total resistance of the circuit. __________ 2. Use the parallel circuit on the right to answer the questions. a. What is the voltage across each bulb? __________ b. What is the current in each branch? __________ __________ c. What is the total current provided by the battery? __________ d. Us the total current and total voltage to calculate the total resistance of the circuit. __________ 3. Use the parallel circuit on the right to answer the questions. a. What is the voltage across each bulb? __________ b. What is the current in each branch? __________ __________ c. What is the total current provided by the battery? __________ d. Us the total current and total voltage to calculate the total resistance of the circuit. __________ 4. Use the parallel circuit on the right to answer the questions. a. What is the voltage across each bulb? __________ b. What is the current in each branch? ________ ________ ________ c. What is the total current provided by the battery? __________ d. Us the total current and total voltage to calculate the total resistance of the circuit. __________ 5. Three 15 Ω resistors are connected in a parallel circuit with a 30 V battery. a) Draw the circuit diagram. b) What is the current through each branch of the circuit? c) What is the total current through the entire circuit? d) What is the equivalent (total) resistance of the parallel circuit? 6. a) b) c) d) e) A 12 Ω light bulb and a 15 Ω light bulb are connected in a parallel circuit and connected to a 15 V battery. Draw the circuit diagram. What is the current through each branch of the circuit? What is the total current through the entire circuit? What is the equivalent (total) resistance of the parallel circuit? What happens to the total current as more devices are added in parallel? 7. a) b) c) d) e) A120 Ω resistor, a 60 Ω resistor and a 40 Ω light bulb are connected in a parallel circuit with a 12 V. Draw the circuit diagram. What is the current through each branch of the circuit? What is the total current through the entire circuit? What is the equivalent (total) resistance of the parallel circuit? What happens to the total resistance as you add more devices in parallel?
