Answer to Question #198282 in Mechanics | Relativity for faith

Question #198282

In this circuit, the voltage drop across the upper resistor is 4.5 V. What is the battery voltage? what s the current through the circuit? what is the resistance in the circuit?

The figure shows a rectangular circuit with a battery and two resistors connected in series. The battery is located on the left-hand segment of the circuit, a 30-ohm resistor is located on the upper segment, and a 50-ohm resistor is located on the right-hand segment of the circuit.


1
Expert's answer
2021-05-25T14:25:02-0400

(1) Battery Voltage = 4.5 V

(2) Voltage of battery = 4.5 V

Resistance, R1=30 ΩR_1=30\space\Omega

Resistance, R2=50 ΩR_2=50\space\Omega

Total Resistance, R=R1+R2=80 ΩR=R_1+R_2=80\space\Omega

Total Current in the circuit, I=VR=4.580=0.0056 AI=\dfrac{V}{R}=\dfrac{4.5}{80}=0.0056\space A


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