Question
The current in a loop circuit that has a resistance of $R_{1}$ is 2.00 A. The current is reduced to $1.60 \mathrm{A}$ when an additional resistor $R_{2}=3.00 \Omega$ is added in series with $R_{1}$ What is the value of $R_{1} ?$
Step 1
Initially, the circuit has a current \( I_1 = 2.00 \, \text{A} \) with a resistance \( R_1 \). Show more…
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The current in a loop circuit that has a resistance of $R_{1}$ is 2.00 A. The current is reduced to 1.60 $\mathrm{A}$ when an additional resistor $R_{2}=3.00 \Omega$ is added in series with $R_{1}$ . What is the value of $R_{1} ?$
A resistor with $R_1 =$ 25.0 $\Omega$ is connected to a battery that has negligible internal resistance and electrical energy is dissipated by $R_1$ at a rate of 36.0 W. If a second resistor with $R_2 =$ 15.0 $\Omega$ is connected in series with $R_1$, what is the total rate at which electrical energy is dissipated by the two resistors?
Direct-Current Circuits
Resistors in Series and Parallel
A resistor with $R_{1}=25.0 \Omega$ is connected to a battery that has negligible internal resistance and electrical energy is dissipated by $R_{1}$ at a rate of 36.0 W. If a scond resistor with $R_{2}=15.0 \Omega$ is connected in series with $R_{1},$ what is the total rate at which electrical energy is dissipated by the two resistors?
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