FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 21, Problem 14P
Three particles are fixed on an x axis. Particle 1 of charge q1 is at x = −a and particle 2 of charge q2 is at x = +a. If their net electrostatic force on particle 3 of charge +Q is to be zero, what must be the ratio q1/q2 when particle 3 is at (a) x = +0.500a and (b) x = +1.50a?
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PART III - RESISTORS IN PARALLEL
Consider (but do not yet build) the circuit shown in the circuit diagram
to the left, which we will call Circuit 3. Make sure you are using Bert
bulbs. You may want to wire two batteries in series rather than use a
single battery.
7. Predict:
a) How will the brightness of bulb B3A compare to the brightness
to bulb B3B?
c)
X
E
B3A
b) How will the brightness of bulb BзA compare to the brightness of bulb B₁ from Circuit 1?
How will the currents at points X, Y, and Z be related?
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d) How will the current at point X in this circuit compare to the current at point X from Circuit 1?
Y
Z
B3B
www
PART II - RESISTORS IN SERIES
Consider (but do not yet build) the circuit shown in the circuit diagram to the left,
which we will call Circuit 2. Make sure you are using Bert bulbs. You may want
to wire two batteries in series rather than use a single battery.
4. Predict:
a) How will the brightness of bulb B₂ compare to the brighness to bulb
B2B?
X
B2A
E
Y
B2B
Ꮓ
b) How will the brightness of bulb B2A compare to the brightness of bulb B₁ from Circuit 1?
c) How will the currents at points X, Y, and Z be related?
d) How will the current at point X in this circuit compare to the current at point X from Circuit 1?
Chapter 21 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 21 - A positively charged ball is brought close to an...Ch. 21 - SSM ILW Of the charge Q initially on a tiny...Ch. 21 - SSM What must be the distance between point charge...Ch. 21 - In the return stroke of a typical lightning bolt,...Ch. 21 - A particle of charge 3.00 106 C is 12.0 cm...Ch. 21 - ILW Two equally chained particles are held 3.2 ...Ch. 21 - SSM WWW Two identical conducting spheres, fixed in...Ch. 21 - Two particles are fixed on an x axis. Particle 1...Ch. 21 - Three particles are fixed on an x axis. Particle 1...Ch. 21 - GO The charges and coordinates of two charged...
Ch. 21 - SSM WWW In Fig. 21-26, particle 1 of charge q and...Ch. 21 - GO A nonconducting spherical shell, with an inner...Ch. 21 - Two tiny, spherical water drops, with identical...Ch. 21 - ILW How many electrons would have to be removed...Ch. 21 - Prob. 26PCh. 21 - SSM The magnitude of the electrostatic force...Ch. 21 - A current of 0.300 A through your chest can send...Ch. 21 - ILW Earths atmosphere is constantly bombarded by...Ch. 21 - Calculate the number of coulombs of positive...Ch. 21 - Electrons and positrons are produced by the...Ch. 21 - Prob. 37PCh. 21 - a What equal positive charges would have to be...Ch. 21 - a Explain what happens to the balls of Problem 42...Ch. 21 - SSM How far apart must two protons be if the...Ch. 21 - How many megacoulombs of positive charge are in...Ch. 21 - GO Point charges of 6.0 C and 4.0 C are placed on...Ch. 21 - A neutron consists of ore up quark of charge 2e/3...Ch. 21 - A charged nonconducting rod, with a length of 2.00...Ch. 21 - A particle of charge Q is Fixed at the origin of...Ch. 21 - What would be the magnitude of the electrostatic...Ch. 21 - A charge of 6.0 C is to be split into two parts...Ch. 21 - Of the charge Q on a tiny sphere, a fraction is...Ch. 21 - If a cat repeatedly rubs against your cotton...Ch. 21 - We know that the negative charge on the electron...Ch. 21 - What is the total charge in coulombs of 75.0 kg of...Ch. 21 - Three charged particles form a triangle: particle...Ch. 21 - Prob. 63PCh. 21 - Prob. 64PCh. 21 - Prob. 65PCh. 21 - Prob. 66PCh. 21 - Prob. 67PCh. 21 - Prob. 68PCh. 21 - Prob. 69PCh. 21 - Prob. 70PCh. 21 - Prob. 71PCh. 21 - Prob. 72P
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