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Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780131495081
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Question
Chapter 30, Problem 6Q
(a)
To determine
The emf of the battery affect the time needed for the
(b)
To determine
The emf of the battery affect the time needed for the
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Students have asked these similar questions
How long would it take, following the removal of the battery, for the potential difference across the resistor in an RL circuit (with L = 2.00 H, R = 3.00 ohm) to decay to 10.0% of its initial value?
In an A. C. circuit, the flowing current is
I = 5 sin (100 t - t/2) A and the potential
difference is V = 200 sin (100 t)V. The power
consumption is equal to
%3D
(p)
It is necessary to find the value of R from a switched circuit. The function
becomes
R
f(R)= e-RlhL,
cos
LC
;Assunme charge
must
be
2L
dissipated to 1% of its original values
= 0.01 in time t 0.05 sec
with L= 5H and C = 10- F. Use false position method.
Chapter 30 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 30.1 - Prob. 1AECh. 30.1 - Prob. 1BECh. 30.3 - Prob. 1CECh. 30.4 - Show that L/R does have dimensions of lime. (See...Ch. 30.4 - Prob. 1EECh. 30.5 - Return to the Chapter-Opening Question, page 785,...Ch. 30.7 - At what frequency is the reactance of a 1.0-F...Ch. 30.7 - Prob. 1HECh. 30 - Prob. 1QCh. 30 - Prob. 2Q
Ch. 30 - Prob. 3QCh. 30 - Prob. 4QCh. 30 - If you are given a fixed length of wire, how would...Ch. 30 - Prob. 6QCh. 30 - Prob. 7QCh. 30 - Prob. 8QCh. 30 - What keeps an LC circuit oscillating even after...Ch. 30 - Is the ac current in the indicator always the same...Ch. 30 - Prob. 11QCh. 30 - In an ac LRC circuit, if XL XC, the circuit is...Ch. 30 - Prob. 13QCh. 30 - Under what conditions is the impedance in an LRC...Ch. 30 - Is it possible for the instantaneous power output...Ch. 30 - In an ac LRC circuit, does the power factor, cos,...Ch. 30 - Describe briefly how the frequency of the source...Ch. 30 - Prob. 18QCh. 30 - In an LRC circuit, the current and the voltage in...Ch. 30 - Compare the oscillations or an LRC circuit to the...Ch. 30 - Prob. 1PCh. 30 - Prob. 2PCh. 30 - Prob. 3PCh. 30 - Prob. 4PCh. 30 - (I) If the current in a 280-mH coil changes...Ch. 30 - Prob. 6PCh. 30 - Prob. 7PCh. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - (II) If the outer conductor of a coaxial cable has...Ch. 30 - Prob. 11PCh. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - (II) Ignoring any mutual inductance, what is the...Ch. 30 - (I) The magnetic field inside an air-filled...Ch. 30 - (I) Typical large values for electric and magnetic...Ch. 30 - (II) What is the energy density at the center of a...Ch. 30 - (II) Calculate the magnetic and electric energy...Ch. 30 - Prob. 19PCh. 30 - (II) Determine the total energy stored per unit...Ch. 30 - (II) Determine the total energy stored per unit...Ch. 30 - Prob. 22PCh. 30 - (II) How many time constants does it take for the...Ch. 30 - (II) It takes 2.56 ms for the current in an LR...Ch. 30 - Prob. 25PCh. 30 - (II) In the circuit of Fig. 3027, determine the...Ch. 30 - Prob. 27PCh. 30 - Prob. 28PCh. 30 - (II) A 12-V battery has been connected to an LR...Ch. 30 - Prob. 30PCh. 30 - (I) The variable capacitor in the tuner of an AM...Ch. 30 - Prob. 32PCh. 30 - (II) In some experiments, short distances are...Ch. 30 - Prob. 34PCh. 30 - Prob. 35PCh. 30 - Prob. 36PCh. 30 - Prob. 37PCh. 30 - Prob. 38PCh. 30 - (I) At what frequency will a 32.0-mH inductor have...Ch. 30 - (I) What is the reactance of a 9.2-F capacitor at...Ch. 30 - (I) Plot a graph of the reactance of a 1.0-F...Ch. 30 - (I) Calculate the reactance of, and rms current...Ch. 30 - (II) A resistor R is in parallel with a capacitor...Ch. 30 - Prob. 44PCh. 30 - (II) (a) What is the reactance of a 0.086-F...Ch. 30 - Prob. 46PCh. 30 - (II) A current I = 1.80 cos 377t (I in amps, t in...Ch. 30 - (I) A 10.0-k resistor is in series with a 26.0-mH...Ch. 30 - (I) A 75- resistor and a 6.8-F capacitor are...Ch. 30 - (I) For a 120-V, 60-Hz voltage, a current of 70 mA...Ch. 30 - (II) A 2.5-k resistor in series with a 420-mH...Ch. 30 - (II) (a) What is the rms current in a series RC...Ch. 30 - (II) An ac voltage source is connected in series...Ch. 30 - (II) Determine the total impedance, phase angle,...Ch. 30 - (II) (a) What is the rms current in a series LR...Ch. 30 - (II) A 35-mH inductor with 2.0- resistance is...Ch. 30 - (II) A 25-mH coil whose resistance is 0.80 is...Ch. 30 - (II) A 75-W lightbulb is designed to operate with...Ch. 30 - (II) In the LRC circuit or Fig. 3019, suppose I =...Ch. 30 - (II) An LRC series circuit with R = 150 , L = 25...Ch. 30 - (II) An LR circuit can be used as a phase shifter....Ch. 30 - (I) A 3800-pF capacitor is connected in series to...Ch. 30 - (I) What is the resonant frequency of the LRC...Ch. 30 - (II) An LRC circuit has L = 4.15 mH and R = 3.80...Ch. 30 - (II) The frequency of the ac voltage source (peak...Ch. 30 - (II) Capacitors made from piezoelectric materials...Ch. 30 - (II) (a) Determine a formula for the average power...Ch. 30 - (II) (a) Show that oscillation of charge Q on the...Ch. 30 - (II) A resonant circuit using a 220-nF capacitor...Ch. 30 - Prob. 70PCh. 30 - Prob. 71GPCh. 30 - Prob. 72GPCh. 30 - At time t = 0, the switch in the circuit shown in...Ch. 30 - Prob. 74GPCh. 30 - Prob. 75GPCh. 30 - Assuming the Earths magnetic field averages about...Ch. 30 - (a) For an underdamped LRC circuit, determine a...Ch. 30 - An electronic device needs to be protected against...Ch. 30 - Prob. 79GPCh. 30 - Prob. 80GPCh. 30 - An ac voltage source V=V0sin(t+90) is connected...Ch. 30 - A circuit contains two elements, but it is not...Ch. 30 - A 3.5-k resistor in series with a 440-mH inductor...Ch. 30 - (a) What is the rms current in on RC circuit if R...Ch. 30 - An inductance coil draws 2.5 A de when connected...Ch. 30 - The Q-value of a resonance circuit can be defined...Ch. 30 - Show that the fraction of electromagnetic energy...Ch. 30 - In a series LRC circuit, the inductance is 33mH,...Ch. 30 - Prob. 89GPCh. 30 - A voltage V = 0.95 sin 754t is applied to an LRC...Ch. 30 - Filler circuit. Figure 3033 shows a simple filler...Ch. 30 - Show that if the inductor L in the filter circuit...Ch. 30 - A resistor R, capacitor C, and inductor L are...Ch. 30 - Suppose a series LRC circuit has two resisiors, R1...Ch. 30 - Prob. 95GPCh. 30 - Prob. 96GPCh. 30 - You have a small electromagnet that consumes 350 W...Ch. 30 - An inductor L in series with a resistor R, driven...Ch. 30 - In a certain LRC series circuit, when the ac...Ch. 30 - Prob. 100GPCh. 30 - Prob. 101GPCh. 30 - For the circuit shown in Fig. 3038, show that if...Ch. 30 - (II) The RC circuit shown in Fig. 3039 is called a...Ch. 30 - (II) The RC circuit shown in Fig. 3040 is called a...Ch. 30 - (III) Write a computer program or use a...
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- (a) In the figure what value must R have if the current in the circuit is to be 1.3 mA? Take ₁ = 2.7 V, 8₂ = 5.3 V, and r₁= r₂ = 3.9 Q. (b) What is the rate at which thermal energy appears in R? ww www. (b) Number 12₂ (a) Number 1992.2 i 2.6 Units Units Ω W <arrow_forward91 SSM In the circuit of Fig. 30-76, R = 20 kn, R2 = 20 N, L = 50 mH, and the ideal battery has & = 40 V. Switch S has been open for a long oll L. R R2 time when it is closed at time t = 0. Just after the switch is closed, what シー are (a) the current ibat through the battery and (b) the rate dipal dt? At t = 3.0 us, what are (c) ibat and (d) dipaldt? A long time later, what are (e) ibat and (f) dipal dr? Figure 30-76 Problem 91.arrow_forwardCalculate the resistance in an RL circuit in which L= 0.04 H and the current increases to 90% of its final value in 3.00 ms.arrow_forward
- The current in the RL circuit shown below reaches one-fifth its maximum value in 2.00 ms after the switch S1 is thrown. (a)Determine the time constant of the circuit (in ms). (b)Determine the resistance of the circuit (in Ω) if L = 200 mH.arrow_forwardDoes the time required for the current in an RL circuit to reach any fraction of its steady-state value depend on the emf of the battery?arrow_forwardIn an oscillating RLC circuit, R = 7.0 L. = 10 mH. And C = 3.0 F. Initially, the capacitor has a charge of 8.0 C and the current is zero. Calculate the charge on the capacitor (a) five cycles later and (b) 50 cycles later.arrow_forward
- In Figure 33.9A (page 1052), the switch is closed at a at t = 0. Find an expression for the power dissipated by the resistor as a function of time, and sketch your result. Is the power lost greater as soon as the switch is closed or a long time after it has been closed? Does your answer make sense?arrow_forwardWhat resistance R must be connected in series with a 200-mH inductor of the resulting RLC oscillating circuit is to decay to 50% of its initial value of charge in 50 cycles? To 0.10% of its initial value in 50 cycles?arrow_forwardA circuit conducting loop lies in the :xy-plane as shown in Figure .The loop has a radius of 0.2m and resistance R = 4 Q. If B 40 sin 104 t az mWb/m2, find the currrent.arrow_forward
- **57 Go In Fig. 30-63, R = 15 N, L = 5.0 H, the ideal battery has & = 10 V, and the fuse in the upper branch is an ideal 3.0 A fuse. It has Fuse R zero resistance as long as the cur- rent through it remains less than 3.0 L. A. If the current reaches 3.0 A, the fuse “blows" and thereafter has in- finite resistance. Switch S is closed Fig. 30-63 Problem 57. at time t= 0. (a) When does the fuse blow? (Hint: Equation 30-41 does not apply. Rethink Eq. 30-39.) (b) Sketch a graph of the current i through the inductor as a function of time. Mark the time at which the fuse blows.arrow_forwardPlease helparrow_forwardCalculate the resistance in an RL circuit in which L = 2.50 H and the current increases to 90.0% of its final value in 3.00 s.arrow_forward
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