Series and Parallel Circuits - Math2

Four resistors with values of 5 Ω; 2.5 Ω; 7.5 Ω; and 10 Ω are connected in series to each other and a 50 V power supply. What is the total voltage drop across all the resistors?

V = 50 V

A 120.0 Ω resistor, a 60.0 Ω resistor, and a 40.0 Ω resistor are connected in parallel and placed across a 12.0-V battery. What is the current through the entire circuit?

0.6 A

A 120.0 Ω resistor, a 60.0 Ω resistor, and a 40.0 Ω resistor are connected in parallel and placed across a 12.0-V battery. What is the current through each branch of the circuit?

0.1 A 0.2 A 0.3 A

Four resistors with values of 5 Ω (R1); 2.5 Ω (R2); 7.5 Ω (R3); and 10 Ω (R4) are connected in series to each other and a 50 V power supply. Find the voltage drop across each resistor.

10 V 5 V 15 V 20 V

A 3 Ω resistor is connected in series to a 6 Ω resistor and a 12-V battery. What is the current in each of the resistors?

1.3 A

Three 20 Ω resistors are connected in series across a 120-V generator. What is the current in the circuit?

2 A

Three 15- Ω resistors are connected in parallel and placed across a 30-V battery. What is the current through each branch of the circuit?

2 A 2 A 2 A

A 120.0 Ω resistor, a 60.0 Ω resistor, and a 40.0 Ω resistor are connected in parallel and placed across a 12.0-V battery. What is the equivalent resistance of the parallel circuit?

20 Ω

A string of holiday lights has ten bulbs with equal resistances connected in series. When the string of lights is connected to a 120-V outlet, the current through the bulbs is 0.06 What is the resistance of each bulb?

20 Ω

A string of holiday lights has ten bulbs with equal resistances connected in series. When the string of lights is connected to a 120-V outlet, the current through the bulbs is 0.06 A. What is the equivalent resistance of all bulbs?

2000 Ω

Four resistors with values of 5 Ω; 2.5 Ω; 7.5 Ω; and 10 Ω are connected in series to each other and a 50 V power supply. Find the current through each resistor.

2A

A 10- Ω resistor, 15- Ω resistor, and a 5- Ω resistor are connected in series across a 90-V battery. What is the current in the circuit?

3 A

A 10- Ω resistor, 15- Ω resistor, and a 5- Ω resistor are connected in series across a 90-V battery. What is the equivalent resistance of the circuit?

30 Ω

Three resistors with values of 5 Ω, 15 Ω and 25 Ω are connected in parallel to each other and the combination is connected in series to a 120 V power supply. Find the current through the circuit.

36.8 A

Three 15- Ω resistors are connected in parallel and placed across a 30-V battery. What is the equivalent resistance of the parallel circuit?

5 Ω

Three 15- Ω resistors are connected in parallel and placed across a 30-V battery. What is the current through the entire circuit?

6 A

Three 20 Ω resistors are connected in series across a 120-V generator. What is the equivalent resistance of the circuit?

60 Ω

A 480 Ω (R1) resistor is connected in series to a 360 Ω (R2) resistor and a 120-V power supply. What is the voltage drop across each resistor?

68.6 V 51.4 V