Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 25: Problem 12

Which of the following is an incorrect statement? a) The currents through electronic devices connected in series are equal. b) The potential drops across electronic devices connected in parallel are equal. c) More current flows across the smaller resistance when two resistors are in parallel connection. d) More current flows across the smaller resistance when two resistors are in serial connection.

Short Answer

Expert verified
Answer: More current flows across the smaller resistance when two resistors are in serial connection.

Step by step solution

01

Statement a: The currents through electronic devices connected in series are equal.

This statement is correct. When electronic devices are connected in series, the same current flows through all the devices in the series. This is because the total current in a closed loop must remain constant, as there is only one path for the current to flow through.
02

Statement b: The potential drops across electronic devices connected in parallel are equal.

This statement is correct. In a parallel circuit, electronic devices are connected such that the voltage drop across each device is the same. This is because the devices are connected to the same pair of nodes in the circuit, so they all experience the same voltage difference.
03

Statement c: More current flows across the smaller resistance when two resistors are in parallel connection.

This statement is correct. When two resistors are connected in parallel, the current is divided among the resistors proportionally to their conductance (G), which is the inverse of resistance (R). As a result, the resistor with a smaller resistance (and thus larger conductance) will have more current flowing through it.
04

Statement d: More current flows across the smaller resistance when two resistors are in serial connection.

This statement is incorrect. In a series connection, resistors are connected end-to-end, and the current flows through all the resistors in the series without any division of current. As a result, the current flowing across both resistors will be the same, regardless of their individual resistance values. So, the incorrect statement is option d.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Two identical light bulbs are connected to a battery. Will the light bulbs be brighter if they are connected in series or in parallel?

Show that the power supplied to the circuit in the figure by the battery with internal resistance is maximum when the resistance of the resistor in the circuit, \(R\), is equal to \(R_{i}\). Determine the power supplied to \(R\). For practice, calculate the power dissipated by a \(12.0-\mathrm{V}\) battery with an internal resistance of \(2.00 \Omega\) when \(R=1.00 \Omega, R=2.00 \Omega,\) and \(R=3.00 \Omega\)

Two conductors are made of the same material and have the same length \(L\). Conductor \(\mathrm{A}\) is a hollow tube with inside diameter \(2.00 \mathrm{~mm}\) and outside diameter \(3.00 \mathrm{~mm} ;\) conductor \(\mathrm{B}\) is a solid wire with radius \(R_{\mathrm{B}}\). What value of \(R_{\mathrm{B}}\) is required for the two conductors to have the same resistance measured between their ends?

Ohm's Law states that the potential difference across a device is equal to a) the current flowing through the device times the resistance of the device. b) the current flowing through the device divided by the resistance of the device. c) the resistance of the device divided by the current flowing through the device. d) the current flowing through the device times the crosssectional area of the device. e) the current flowing through the device times the length of the device.

Two conductors of the same length and radius are connected to the same emf device. If the resistance of one is twice that of the other, to which conductor is more power delivered?
See all solutions

Recommended explanations on Physics Textbooks

Geometrical and Physical Optics

Read Explanation

Quantum Physics

Read Explanation

Measurements

Read Explanation

Physics of Motion

Read Explanation

Particle Model of Matter

Read Explanation

Rotational Dynamics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free