The current in an inductor L = 220 mH varies according to I = 3.8 sin(80t) A. Find: The induced emf at t = 2.6 ms: V
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- Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the inductor, EL, is 104 V, and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. ETITZ20VAPFER78VIRRPEL104VILXLVARsLLA 0.010 H inductor is connected to a voltage source whose expression is e=311sin (377t+ pi/2) V. Write the expression for current.Find the impedance theoretically of a wire if it carries the frequency 10 kHz have a voltage is 8v, the current is 2mA, resistance is 12 kΩ , inductance 27 mH and capacitance 0.2 µf
- The voltage across a 10-μ H inductance is given by v( t )=5 sin( 10 6 t ) V. The initial current is i( 0 )=−0.5 A. Find expressions for the current, power, and stored energy for t>0. Sketch the waveforms to scale versus timeThe current through a 0.5-H inductor is given byiL = 2 cos(377t + π/6).Write the expression for thevoltage across the inductor.* If the current through a 5 mH inductor is increasing at 3 A/s, what is the voltage across the inductor? * The current in an 8 µH inductor is given by i(t) = 3t + 2 A. What is the value of the inductors voltage at t = 2 s.
- The current in a 100-mH inductor is i(t) = 2 sin377t A. Find a) the voltage across the inductor andb) the expression for the energy stored in the element.A pure inductance of L = 120 mH is connected to a V = 102 V, 50 Hz supply. The current taken by the inductor is given byA resistance of 10 ohm, an inductor of 300 mH and a capacitor of 50 uF are connected in series. If the AC voltage supplied to the connection is given by v = 300 sin (2 π 50 t + 30), write the equation for the current.
- Find the equivalent capacitance of given circuit between the point A and B) if the applied voltage across A-B, equal =5 VRMS , 1000 Hz. Note: Take the capacitance of each capacitor as C=680µF)A 0.7-H inductor is connected in series with a 9-ohm resistor. If the connection is energized from an 11-V DC source, determine which among the following is a differential equation describing the current i in the circuit at any time t.A resistance of 100 Ω, an inductance of 0.1 H, and a capacitance of 5(10−5) F are connected in series.If the total electromotive force is given by 110 sin 377t, such that at t = 0,Q = 0, and i = 0, find thecurrent for t > 0.