1. A circuit consists of a battery (with a switch) in series with a resistor (R1)...
1. A circuit consists of a battery (with a switch) in series with a resistor (R1) connected to a second resistor (R2) that is in parallel with an inductor. The battery emf is 10 volts and each of the resistors is 10 Ω.
Determine the rate of change of current through the inductor at steady state for the circuit a)zero. b)0.5 A/s. c) 2 A/s. d)10 A/s
When is the energy stored in the inductor at a maximum? a) Initially b) Never. c) At steady state d) There is no energy stored in the inductor for this circuit
2. If a strong bar magnet was moving relative to a conducting coil, an induced current will occur in the coil. Which of the laws listed below expresses this fact? a). Ampere's Law b). Ampere Maxwell Law c). Faraday's Law d). Gauss' Law
Homework Answers
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1. A circuit consists of a battery (with a switch) in series
with a resistor (R1)...
The first circuit we' investigate contains an inductor and a resistor hooked up in series with...
The first circuit we' investigate contains an inductor and a resistor hooked up in series with a constant votage source Set up a circuit battery a resistor a swhch, and an inductor, as shown in the figure and with the values indicated 20.00 Volts 0.00 Ohms When the switch is closed, what happens to the current in the circuit? (The intrinsic resistance of the indluctor is zero.) The current instantaneously becomes 1 A The curent gradually increases from zero to...
resistor a switch, and a 12 V battery 7) A 20 mH coil inductor is connected...
resistor a switch, and a 12 V battery 7) A 20 mH coil inductor is connected in series with a) (5 pts) What is the time constant of the circuit? b) (10 pts) How long after the switch is closed will it take for the current to reach 99 percent of final value? e) (5 pts) A long time after the switch is closed, what is the energy stored in the coil? W 10000
A 10.7-V battery, a 4.98-Ω resistor, and a 10.4-H inductor are connected in series. After the...
A 10.7-V battery, a 4.98-Ω resistor, and a 10.4-H inductor are connected in series. After the current in the circuit has reached its maximum value, calculate the following.(a) the power being supplied by the battery W What is the maximum value of the current? What role does the inductor play when the current has a constant value?(b) the power being delivered to the resistor W You can determine the energy stored in the inductor from how much energy would be...
Fig.1 9. A series RCL circuit contains a 148- 2 resistor, a 1.50-uF capacitor, and a...
Fig.1 9. A series RCL circuit contains a 148- 2 resistor, a 1.50-uF capacitor, and a 35.7-mH inductor. The generator has a frequency of 512 Hz and an ms voltage of 25.0 V. Determine resonance frequency in the circuit. (a) 512 Hz (5) 688 H2 (c) 800Hz (d) 1024 Hz (d) None 10. Find the inductance in a coil if the magnitude of the average induced emf is 19.5 mV and the current in changes from 0.20 A to 1.5...
The circuit consists of a 50V battery, a 20 ohm resistor, a low-resistance 25mH inductor, and...
The circuit consists of a 50V battery, a 20 ohm resistor, a
low-resistance 25mH inductor, and a key. Find the rate at which
current begins to rise when the key is closed, the current at the
instant the rate of change of current is 400A/s, and the final
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he circuit of Fig. 32-5 consists of a 5 T -V battery, a 20 Ω resistor key. Find the rate at which current begins change of current is 400 A/s,...
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The circuit in the diagram consists of a 17.7 22 resistor, an inductor, and a 23.3...
The circuit in the diagram consists of a 17.7 22 resistor, an inductor, and a 23.3 V battery. The inductor is made from a solenoid with the following parameters: 4V. 0000 Cross-Section Area = 16.9 cm2 Length = 3.6 cm Number of turns of wire = 1255 Part A Calculate the inductance of the inductor. Part B Calculate the time constant for the circuit. Part How long will it take for the current from the battery to reach 85% of...
An RLC circuit contains in series a resistor R = 3 Ω, an inductor L =...
An RLC circuit contains in series a resistor R = 3 Ω, an inductor L = 1 H, and a capacitor C = 0.5 F. The current I(t) is provided by a source with emf E = 20cos(2t) Volts, where t is the time. Find the steady-state current Ip that develops after a long time (theoretically when t → ∞).
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and swit...
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and switch are connected in series across an ideal EMF source E 9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 1.88 J. (b) 2.22 J (c) 2.77 J. (d) 3.20 J. (e) 3.79 J (0 [6] 2. In the...
A series circuit of a resistor R = 1.40×101 Ω, an inductor L = 9.00×10-2 H,...
A series circuit of a resistor R = 1.40×101 Ω, an inductor L = 9.00×10-2 H, and a battery of emf = 6 Volts has a time constant tL. The circuit is closed at time t = 0. What is the time constant of this circuit? What is the value of the current in the circuit when t = 3.21E-3 s? When t = 1.29E-2 s?When t = 2.57E-2 s?
The first circuit we' investigate contains an inductor and a resistor hooked up in series with a constant votage source Set up a circuit battery a resistor a swhch, and an inductor, as shown in the figure and with the values indicated 20.00 Volts 0.00 Ohms When the switch is closed, what happens to the current in the circuit? (The intrinsic resistance of the indluctor is zero.) The current instantaneously becomes 1 A The curent gradually increases from zero to...
resistor a switch, and a 12 V battery 7) A 20 mH coil inductor is connected in series with a) (5 pts) What is the time constant of the circuit? b) (10 pts) How long after the switch is closed will it take for the current to reach 99 percent of final value? e) (5 pts) A long time after the switch is closed, what is the energy stored in the coil? W 10000
Fig.1 9. A series RCL circuit contains a 148- 2 resistor, a 1.50-uF capacitor, and a 35.7-mH inductor. The generator has a frequency of 512 Hz and an ms voltage of 25.0 V. Determine resonance frequency in the circuit. (a) 512 Hz (5) 688 H2 (c) 800Hz (d) 1024 Hz (d) None 10. Find the inductance in a coil if the magnitude of the average induced emf is 19.5 mV and the current in changes from 0.20 A to 1.5...
The circuit consists of a 50V battery, a 20 ohm resistor, a
low-resistance 25mH inductor, and a key. Find the rate at which
current begins to rise when the key is closed, the current at the
instant the rate of change of current is 400A/s, and the final
steady current
he circuit of Fig. 32-5 consists of a 5 T -V battery, a 20 Ω resistor key. Find the rate at which current begins change of current is 400 A/s,...
The circuit in the diagram consists of a 17.7 22 resistor, an inductor, and a 23.3 V battery. The inductor is made from a solenoid with the following parameters: 4V. 0000 Cross-Section Area = 16.9 cm2 Length = 3.6 cm Number of turns of wire = 1255 Part A Calculate the inductance of the inductor. Part B Calculate the time constant for the circuit. Part How long will it take for the current from the battery to reach 85% of...
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and switch are connected in series across an ideal EMF source E 9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 1.88 J. (b) 2.22 J (c) 2.77 J. (d) 3.20 J. (e) 3.79 J (0 [6] 2. In the...
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