Wheatstone Bridge Experiment: In the circuit shown if the wire AB has a length of one meter, the galvanometer G reads zero at point C. along the wire, the value of unknown resistor Rx (ohm) is: 3 volt 60 cm 90

Wheatstone Bridge Experiment: In the circuit shown if the wire AB has a length of one meter, the galvanometer G reads zero at point C. along the wire, the value of unknown resistor Rx (ohm) is: 3 volt 60 cm 90

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 10.4CYU: Check Your Understanding How would you use a river and two waterfalls to model a parallel...

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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

Wheatstone Bridge Experiment:
at of
In the circuit shown if the wire AB has a length of
one meter, the galvanometer G reads zero at point
C. along the wire, the value of unknown resistor
Rx (ohm) is:
stion
3 volt
a) 6
b) 4
c) 1.5
d) 2
e) None.
60 cm
Rx
Rs 90

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