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2.3 Grouping Resistances
2.3 Grouping Resistances
Multiple resistors in a circuit can be connected in series, parallel, or a combination of the two.
练习题
How many basic ways can multiple resistors be connected in a circuit?
A. One way only
B. Two ways
C. Three ways
D. Four ways
Which of the following are valid ways to connect multiple resistors in a circuit?
A. Series connection
B. Parallel connection
C. Combination of series and parallel
D. Magnetic connection
Multiple resistors in a circuit can only be connected in either series or parallel, but not both at the same time.
A combination connection of resistors involves using both series and parallel connections within the same circuit.
Multiple resistors in a circuit can be connected in series, parallel, or a ___ of the two.
List the three ways that multiple resistors can be connected in a circuit.
When a potential difference is applied to grouped resistors and current starts to flow, the way the current divides among the resistors depends on:
A. Only the voltage of the power source
B. How the resistors are connected (series, parallel, or combination)
C. Only the material of the resistors
D. The temperature of the environment only
According to Ohm's law, when resistors are grouped in a circuit, the relationship applies to the overall circuit regardless of whether the resistors are connected in series, parallel, or a combination.
When multiple resistors are connected in a circuit, they can be arranged in series, parallel, or a combination of both. According to Ohm's law, if a potential difference is applied across a single resistor and current flows through it, what happens when additional resistors are added in series with the first one?
A. The total current increases because more paths are available for current flow
B. The total current decreases because the total resistance increases
C. The current remains the same because each resistor has the same potential difference
D. The potential difference across each resistor becomes zero
When resistors are grouped in a circuit (whether in series, parallel, or a combination), Ohm's law still applies to each individual resistor, meaning the current through each resistor remains directly proportional to the potential difference across it.
Multiple resistors in a circuit can be connected in series, parallel, or a combination of the two. When a potential difference is applied to such a grouped resistor configuration, the ratio of voltage to current for each resistor that follows Ohm's law equals its ___.
Explain why understanding how resistors are connected (series, parallel, or combination) is important when applying Ohm's law to analyze current flow through a circuit.
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