Compared to the current in R1, the current in R2 is

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BlackTom AI · Accepted Answer

In this circuit, the components R1, R2, and R3 are arranged in a single loop with the 15-volt source, so the current is the same through all series elements. 
First, note the given current in the bottom branch through R3 is 0.50 A; since it is a series circuit, that same current must flow through R1 and R2 as well.
To verify, compute the total resistance using Ohm's law: R_total = V / I = 15 V / 0.50 A = 30 Ω.
The sum of the known resistances is R1 + R3 = 5 Ω + 15 Ω = 20 Ω, leaving R2 = 30 Ω − 20 Ω = 10 Ω, which is consistent with a single loop carrying 0.50 A.
Thus, the current in R2 equals the current in R1, which is 0.50 A, so the currents are the same across these resistors.

Physics 1 Hon - Bowles - p06/p07 P10.13/10.15 Electrostatics & Circuits MC Practice

Compared to the current in R1, the current in R2 is

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Physics 1 Hon - Bowles - p06/p07 P10.13/10.15 Electrostatics & Circuits MC Practice

Compared to the current in R1, the current in R2 is

查看解析

登录即可查看完整答案

类似问题

A 12 V potential difference is applied across a series combination of four 6 Ω resistors. The current in each resistor is

A circuit has an applied voltage of 24 volts and a load consisting of a 10-ohm resistor in series with a 30-ohm resistor. What is the voltage drop across the 10-ohm resistor?

How many loops are there in this circuit? Express your answer as an integer.

I have a simple circuit running off a battery powering a lightbulb (bulb A). If I add another light (bulb B) in series with bulb A I can expect that the voltage across bulb A will _________ and bulb A will shine___________.

A 9.1 Ω resistor, 21.7 Ω resistor, and 22.1 Ω resistor are connected in series across a 121.3 V supply. Calculate the total current in the circuit

A 9.1 Ω resistor, 21.7 Ω resistor, and 22.1 Ω resistor are connected in series across a 121.3 V supply. Calculate the total current in the circuit

In a series circuit, each circuit element has the same:

更多留学生实用工具

希望你的学习变得更简单

I have a simple circuit running off a battery powering a lightbulb (bulb A). If I add another light (bulb B) in series with bulb A I can expect that the voltage across bulb A will _ and bulb A will shine___.