A 60-W bulb and a 100-W bulb are connected in series in a circuit.
a. Which bulb has the greater current flowing in it?
b. Which has the greater current when they are connected in parallel?
(a)
The bulb in which the greater current is flowing in it.
Explanation of Solution
Introduction:
In a series circuit, the bulbs are connected in series. So, the current across each bulb will remain same.
The resistance opposes the flow of current. The voltage across each bulb varies while the current remains the same. Therefore,
Conclusion:
(b)
The bulb for greater current flow in parallel connection.
Explanation of Solution
Introduction:
The voltage in the parallel connection across each bulb remains the same.
The resistance of both bulbs is the same. So, the current flow depends on the power of the bulbs. The more power of the bulb provides more energy for the flow of electrons.
The current through
Conclusion:
The current through
Chapter 35 Solutions
Conceptual Physics: The High School Physics Program
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