During an experiment to verify Ohm's law, the current and resistance of a circuit are measured. [Resistance is measured in Ohm (2) and current in Ampere (A)). www R A +, Battery The measured value of the current is I = 2.3±0.2 A and that of the resistance is R = 10+0.3 0. The voltage applied (in Volts) can be calculated using the formula, V = IR. %3D Calculate the, a) Voltage applied in the circuit (in Volts) = b) Fractional uncertainty in the voltage = %3D c) Absolute uncertainty (in Volts) in the voltage

During an experiment to verify Ohm's law, the current and resistance of a circuit are measured. [Resistance is measured in Ohm (2) and current in Ampere (A)). www R A +, Battery The measured value of the current is I = 2.3±0.2 A and that of the resistance is R = 10+0.3 0. The voltage applied (in Volts) can be calculated using the formula, V = IR. %3D Calculate the, a) Voltage applied in the circuit (in Volts) = b) Fractional uncertainty in the voltage = %3D c) Absolute uncertainty (in Volts) in the voltage

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 20PE: (a) A person's blood pressure is measured to be 1202 mm Hg. What is its percent uncertainty? (b)...

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Concept explainers

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

During an experiment to verify Ohm's law, the current and resistance of a circuit are measured. [Resistance is
measured in Ohm (2) and current in Ampere (A)].
www
R
+.
Battery
The measured value of the current is I = 2.3±0.2 A and that of the resistance is R = 10±0.3 0. The voltage
applied (in Volts) can be calculated using the formula, V = IR.
Calculate the,
a) Voltage applied in the circuit (in Volts) =
%3!
b) Fractional uncertainty in the voltage =
c) Absolute uncertainty (in Volts) in the voltage
%3!

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