A resistor R1 is conneded across the teminals of a batery. In Ammeter following cases, explain how the power will change? 0 Doubling the voltage and increasing the resistance by factor of four (O Reducing the current by half and increasing the resistance by a factor of four R1 BATTERY (3 marks)
A resistor R1 is conneded across the teminals of a batery. In Ammeter following cases, explain how the power will change? 0 Doubling the voltage and increasing the resistance by factor of four (O Reducing the current by half and increasing the resistance by a factor of four R1 BATTERY (3 marks)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:A resistor R1 is conneded across the teminals of a batery. In
Ammeter
following cases, explain how the power will change?
0 Doubling the voltage and increasing the resistance by
factor of four
(O Reducing the current by half and increasing the
resistance by a factor of four
R1
BATTERY
(3 marks)
Expert Solution
Step 1
Given:
(a)
Voltage is V, resistance is R, current is I.
(b)
number of electron, n = 5.4 x 108 electrons
Charge on one electron, e = 1.6 x 10-19 C
Step 2
Formula used:
The power is given by
Where, V is voltage, I is current and R is the resistance.
The total charge is given by
q = n x e
where, n is the number of electrons and e is the electronic charge.
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