A high-field superconducting magnet in an MRI machine has an inductance of 60.0 H. If this magnet were connected to a generator with an rms voltage of 2.50 × 102 V, what would be the maximum current in the magnet, if the frequency of the generator is 17.0 Hz? Number i Units
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- The inductor has a reactance of 50 Ohm and an inductance of 220 mH. An 80-Ohm resistor and a capacitor whose reactance is 160 Ohm are also in the circuit, and the rms current in the circuit is 2.2 A. What is the voltage amplitude across the capacitor? A. 770 V B. 630 V C. 210 V D. 350 V E. 500 VA microscope illuminator uses a transformer to step down the 120 V AC of the wall outlet to power a 12.0 V, 50 W microscope bulb.a. What is the resistance of the bulb filament?b. What is the rms current in the bulb filament?c. What is the rms current in the primary coil?A series RLC circuit consists of a 55 resistor, a 3.1 mH inductor, and a 510 nF capacitor. It is connected to an oscillator with a peak voltage of 4.5 V . You may want to review (Pages 915 - 918). Part A Determine the impedance at frequency 3000 Hz. ΨΕ ΑΣΦ Submit Part B Request Answer Determine the peak current at frequency 3000 Hz. VE ΑΣΦ Submit Part C www Request Answer P ? Determine phase angle at frequency 3000 Hz. Ω A
- An LC circuit has a 7.00 mH inductor. The current has its maximum value of 0.580 A at t = 0s. A short time later the capacitor reaches its maximum potential difference of 70.0 V Part A What is the value of the capacitance? Vp ΑΣφ. ? µFAn LRC circuit contains a 700-Ω resistor, a 7.00-Hcoil, and an unknown capacitor. The circuit resonates at1000 Hz. What is the value of the capacitance ?? The resonant frequency of an LRC circuit is 425 Hz.If the resistance is 300 Ω and the capacitance is 200 nF, what is the value of the inductance ??An ac generator has a frequency of 9.0 kHz and a voltage of 40 V. When an inductor is connected between the terminals of this generator, the current in the inductor is 50 mA. What is the inductance of the inductor?
- A series RLC circuit consists of a 60 resistor, a 2.2 mH inductor, and a 720 nF capacitor. It is connected to an oscillator with a peak voltage of 4.0 V. You may want to review (Pages 915 - 918). Determine the impedance at frequency 4000 Hz. ΠΕ ΑΣΦ Submit Part E Determine the peak current at frequency 4000 Hz. IVE ΑΣΦ Submit Request Answer Part F Request Answer Submit Determine phase angle at frequency 4000 Hz. Express your answer to the nearest degree. ΠΕ ΑΣΦ C Request Answer C S ? ? ? Ω AAn ac generator has a frequency of 7.0 kHz and a voltage of 25 V. When an inductor is connected between the terminals of this generator, the current in the inductor is 30 mA. What is the inductance of the inductor?An AC circuit has a purely capacitive load. If the amplitude of the EMF is 10.27 V with a frequency of 193.3 Hz, the capacitance is 73.2 UF, and the driving voltage is initially zero. What is the current in the capacitor after 0.732 s? A Save for Later Submit Answer
- Radios often utilize a variable capacitor in series with an inductor to tune the circuit to a particular frequency. In a particular shortwave radio, the value of the inductor is L = 1.01 µH. What must be the capacitance (in pF) of the circuit so that the radio is tuned to a frequency of f = 6.50 MHz? pFA series RCL circuit contains a 35.5-Q resistor, a 2.10-μF capacitor, and a 6.14-mH inductor. When the frequency is 2660 Hz, what is the power factor of the circuit? Number i UnitsAn RLC circuit consists of a 48 Ω resistor, a 200 μF capacitor, and an inductor. The rms current is 2.5 A when the circuit is connected to a 120 V, 60 Hz outlet. What is the inductance?