Use the equations and concepts associated with series circuits in order to solve the following problems.
Non-identical Light bulbs A and B are connected in series to a 42-Volt energy source. The voltage drop across light bulb A is 16 volts. What is the voltage drop across light bulb B?
Voltage across B
Volts
A speaker and a light bulb are connected in series to a 10-Volt battery. The voltage drop across the light bulb is 2.0 volts. What is the voltage drop across the speaker?
Voltage across speaker
volts
Two resistors are connected in series to a battery. Their resistances are 1.9 Ω and 5.9 Ω. The current in the circuit is 2.5 Amps.
Determine the voltage drop across the 1.9-Ω resistor.
Voltage drop
Determine the voltage drop across the 5.9-Ω resistor.
Three resistors are connected in series to a battery. Their resistances are 1.5 Ω, 5.6 Ω, and 8.6 Ω. The current in the circuit is 2.1 Amps.
Determine the voltage drop across the 1.5-Ω resistor.
Determine the voltage drop across the 5.6-Ω resistor.
Determine the voltage drop across the 8.6-Ω resistor.
Consider the circuit shown at the right with its three resistors having values of …
R1 = 4.52 Ω
R2 = 7.81 Ω
R3 = 11.32 Ω
This resistance of this circuit would be equivalent to the resistance of a circuit with a single resistor of ______ Ω.
Equivalent resistance
Ohms
Two 8.5-Ω resistors are wired in series and connected to a 24.6-Volt source.
What is the equivalent resistance of the circuit?
What is the current in the circuit?
Current
Amps
A series circuit consists of three resistors with resistance values of 2.48 Ω, 1.22 Ω, and 3.44 Ω.
If the circuit is powered by a 9.4 V battery, then what is the current in the circuit?