An oscillating LC circuit consisting of a 1.3 nF capacitor and a 4.5 mH coil has a maximum voltage of 2.3 V.What are (a) the maximum charge on the capacitor, (b) the maximum current through the circuit, and (c) the maximum energy stored in the magnetic field of the coil?
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An oscillating LC circuit consisting of a 1.3 nF capacitor
and a 4.5 mH coil has a maximum voltage of 2.3 V.What are (a) the
maximum charge on the capacitor, (b) the maximum current
through the circuit, and (c) the maximum energy stored in the
magnetic field of the coil?
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- If a high-frequency current is passed through a solenoid containing a metallic core, the core becomes warm due to induction. Explain why the temperature of the material rises in this situation.A 5000-pF capacitor is charged to 100 V and then quickly connected to an 80-mH inductor. Determine (a) the maximum energy stored in the magnetic field of the inductor, (b) the peak value of the current, and (c) the frequency of oscillation of the circuit.please solve asap
- In a model AC generator, a 495 turn rectangular coil 8.0 cm by 22 cm rotates at 120 rev/min in a uniform magnetic field of 0.55 T. (a) What is the maximum emf induced in the coil? (b) What is the instantaneous value of the emf in the coil at t = (π/32) s? Assume that the emf is zero at t = 0. V (c) What is the smallest value of t for which the emf will have its maximum value? S Submit AnswerAn ac electrical generator is made by turning a flat coil in a uniform constant magnetic field of 0.229 T. The coil consists of 39 square windings, and each winding is 11.0 cm on each side. It rotates at a steady rate of 747 rpm about an axis perpendicular to the magnetic field passing through the middle of the coil and parallel to two of its opposite sides. An 8.50-02 light bulb is connected across the generator. What is the voltage amplitude Vo for the light bulb? What is the current amplitude io of the light bulb? At what average rate Paverage is heat generated in the light bulb? How much energy E is consumed by the light bulb every hour? V₁ = lo = E- IAn MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field. Find the average emf induced in his wedding ring, given its diameter is 2.03 cm and assuming it takes 0.236 s to move it into the field. mVIf the resistance of the ring is 1.00 mΩ, how much heat will be transferred to the ring during this time? mJ
- For a Biology research project you want to conduct a search for extra-terrestrial intelligent life by looking for communications-type signals, and you know that the 21 cm wavelength is used by SETI (Search for Extra-Terrestrial Intelligence) to look for these signals. If a 10.0 μH inductor is used in the tuning circuit of your receiver, then what capacitance must be used in the RLC circuit to detect candidate signals?In an oscillating LC circuit, the maximum charge on the capacitor is 2.0 × 10−6 C and the maximum current through the inductor is 8.0 mA. (a) What is the period of the oscillations? (b) How much time elapses between an instantwhen the capacitor is uncharged and the next instant when it is fully charged?What is the magnetic field due to an inductor of length 10 cm that has300 turns if 0.25 A of current passes through it? What is its inductance ifthe cross sectional area of the inductor is 1.5 cm2?
- plz help Inductive battery chargers, which allow transfer of electrical power without the need for exposed electrical contacts, are commonly used in appliances that need to be safely immersed in water, such as electric toothbrushes. Consider the following simple model for the power transfer in an inductive charger (see the figure).(Figure 1) Within the charger's plastic base, a primary coil of diameter ddd with nPnP turns per unit length is connected to a home's ac wall outlet so that a current I=I0sin(2πft)I=I0sin(2πft) flows within it. When the toothbrush is seated on the base, an NNN-turn secondary coil inside the toothbrush has a diameter only slightly greater than ddd and is centered on the primary. Find an expression for the emf induced in the secondary coil. [This induced emf recharges the battery.] Express your answer in terms of the variables ddd, nPnPn_P, I0I0I_0, fff, ttt, NNN, and appropriate constants.a.) A conducting rod slides at a speed of 7.50 m/s along metal rails through a mag-netic field of 0.800 T, as shown. Find the emf induced in the rod. b) How strong is the force needed to keep the rod moving at the given speed, if the resis-tance of the circuit is a constant 1.50 Ω? The spacing between the rails is 0.500mIn an oscillating LC circuit, the maximum charge on the capacitor is 9.0 x 10-6 C and the maximum current through the inductor is 2.5 mA. (a) What is the period of the oscillations (in s)? (b) How much time (in s) elapses between an instant when the capacitor is uncharged and the next instant when it is fully charged?