Q. 7: Reactance of capacitor of capacitance C AC frequency 400/t Hz is 25 Q. The value of C is (CET-2002) (a) 50 pF (b) 25 иF (c) A 100 uF (d) 75 uF
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A: I=1mA=10-3AC=0.0047×10-6 Ff=10×103 Hz
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A: Capacitive reactance = 440 ohm
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A: max potential = 1.414 x V r m s Vr m s = 230 volt R = 2620 Ω Imax = R / VPEAK
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Q: A technician has a 28.0 μF capacitor and a variable frequency AC source. Determine the following.…
A: a) Frequency 21.449 Hzb) reactances 180.97ohmExplanation:Step 1:Step 2: Step 3:
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Q: When an inductor is connected to a 60.0 Hz source it has an inductive reactarice of 51.2 Q.…
A: 1) 4.051 A2) 0.573 HExplanation:
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Q: = 125 V and f = 35.0 Hz is connected between points a and d in the figure. max An AC source with AV…
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A: XL=inductive reactance=W×L Z'=impedance
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- At what frequency does the inductive reactance of a 66.0-uH inductor equal the capacitive reactance of a 66.0-uF capacitor? kHzyou have a series RLC cir cuit made witha Resistor R=43-0 r, indactor L=27:0 MH, and capacibor C= 16-0nF. The Circuit is ariven by an AC source with Vems = 15.0V at Frequency f=7-90 KHZ- what is the RMS Voltage Ni across the inductor ? what is the RMS voltage AVC across the capacitor? %3DA current of I(t) = (5.50 mA)((sin(325 s-1)t ) passes through a 38 microF capacitor. What is the rms voltage across the capacitor?
- A 2.04 kN resistor is connected to an AC voltage source with an rms voltage of 230 V. HINT (a) What is the maximum potential difference across the resistor (in V)? V (b) What is the maximum current through the resistor (in A)? A (c) What is the rms current through the resistor (in A)? A (d) What is the average power dissipated by the resistor (in W)?Think about the rms current through a person if they touch a 120 Vrms AC source in the following conditions: 1. Standing on a rubber mat which offers a total resistance of 275 kÖ in mA. 2. Standing barefoot on wet grass and has a resistance of only 3800 2 in mA. Neither is a good option but which would be the worst option? meaning which would have the Largest rms current? Both have the same rms current Standing on a rubber mat which offers a total resistance of 275 k in mA. Standing barefoot on wet grass and has a resistance of only 3800 Q in mA.A 200 Ω resistor is connected in series with a 5.0 µF capacitor. The voltage across the resistor is vR =( 1.20 V) cos [(2500 rad/s)t]. (a) Derive an expression for the circuit current. (b) Determine the capacitive reactance of the capacitor. (c) Derive an expression for the voltage across the capacitor.
- The AC EMF in this electric circuit is described by the following equation: E = 15Ve(20)t What is the average power (in W) supplied by the EMF? 10 mF M 252 252 000 100 mHQuestion in the attachmentAn LC circuit has an inductance of L mH and a capacitance of (5.905x10^-3) mF. At one instant the charge on the capacitor is (8.1403x10^-3) mC. What is the voltage in this circuit, at that time? Express your result in V. Provide your answer with four significant figures.