(c) The total voltage across a series circuit is equal to the sum

of the individual voltage drops.

(d) The voltage drop across a resistor in a series circuit is

proportional to the ohmic value of the resistor.

(e) The total power in a series circuit is equal to the sum of the

individual powers used by each circuit component.

c. *Series Circuit Analysis.*

To establish a procedure for

solving

series circuits, the following sample problems will be solved.

Example: Three resistors of 5 Ohms, 10 Ohms, and 15 Ohms are connected in

series with a power source of 90 volts as shows in figure 26.

Find the

total resistance, circuit current, voltage drop of each resistor, power of

each resistor, and the total power of the circuit.

In solving the circuit, the total resistance will be found first. Next, the

circuit current will be calculated. Once the current is known, the voltage

drops and power dissipations can be calculated.

FIGURE 26.

SOLVING FOR VARIOUS VALUES IN A SERIES CIRCUIT.

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