(a) A resistor R1 is connected across the teminals of a battery. In Ammeter following cases, explain how the power will change? ) Doubling the voltage and increasing the resistance by factor of four (i) Reducing the current by half and increasing the resistance by a factor of four R1 BATTERY (b) A metal ball of charge of 5.4 x 10° electrons is touched to another metal ball so that all the excess electrons are shared equally. What is the final charge on the first ball?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 17CQ: Resistors are commonly rated at 18W,14W,12W ,1 W and 2 W for use in electrical circuits. If a...
icon
Related questions
Question
(a) A resistor R1 is connected across the teminals of a battery. In
Ammeter
following cases, explain how the power will change?
) Doubling the voltage and increasing the resistance by
factor of four
(i) Reducing the current by half and increasing the
resistance by a factor of four
R1
BATTERY
(b) A metal ball of charge of 5.4 x 10° electrons is touched to another metal ball so that all the excess electrons
are shared equally. What is the final charge on the first ball?
Transcribed Image Text:(a) A resistor R1 is connected across the teminals of a battery. In Ammeter following cases, explain how the power will change? ) Doubling the voltage and increasing the resistance by factor of four (i) Reducing the current by half and increasing the resistance by a factor of four R1 BATTERY (b) A metal ball of charge of 5.4 x 10° electrons is touched to another metal ball so that all the excess electrons are shared equally. What is the final charge on the first ball?
Expert Solution
Step 1

4.(a)

 

Write the expression for the power supplied by the battery.

Physics homework question answer, step 1, image 1

Step 2

(i)

 

Calculate the factor at which the power supplied in the circuit changes when voltage is doubled, and the resistance increased by the factor of four.

Physics homework question answer, step 2, image 1

Therefore, there is no change in the power supplied in the circuit changes when voltage is doubled, and the resistance increased by the factor of four.

steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Knowledge Booster
DC circuits
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
University Physics Volume 2
University Physics Volume 2
Physics
ISBN:
9781938168161
Author:
OpenStax
Publisher:
OpenStax
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning