A 22- lamp and a 4.5- lamp are connected in series and placed across a potential

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Practice Problems

A 22- lamp and a 4.5- lamp are connected in series and placed across a potential difference of 45 V as shown in Figure 23-15.

a. What is the equivalent resistance of the circuit?

b. What is the current in the circuit?

c. What is the voltage drop across each lamp?

d. What is the power dissipated in each lamp

Hint

ManagementPower is defined as the ability to act or have influence over others. An example of power is the strength needed to run five miles. An example of power is the authority a local government has to collect taxes. ...

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