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- Can a circuit e1eent have both capacitance and inductance?An emf of 0.40 V is induced across a coil when the current through it changes uniformly from 0.10 to 0.60 A in 0.30 s. What is the self-inductance of the coil?Three inductors are connected in parallel in an electric circuit. If the inductance of the first inductor is L, of the second inductor is 1.5 L, and of the third inductor is 2 L, what is the equivalent inductance?
- The voltage across an inductor is proportional to the inductor and the derivative of the current that flow through it. Is it True or False?What relationship exists between a coil's inductance value and the amount of emf or voltage it produces.A circuit has a resistor with resistance equal to 8 Ω and an inductor with inductance 8e-4 H. What is the average power dissipated in this circuit if the power supply has the following voltage, 7sin(5t)? None of the above 8.32 W 53.3 W 3.06 W 1.12 W
- A circuit consists of a 0.8 H inductor and a 3.5 ohm resistor. At t = 0 the current through the inductor is 1.2 A. How much energy is stored in the inductor at this instant?This problem concerns the electric circuit shown in the figure below. where C is the capacitance and L is the inductance, so A charged capacitor connected to an inductor causes a current to flow through the inductor until the capacitor is fully discharged. The current in the inductor, in turn, charges up the capacitor until the capacitor is fully charged again. If Q(t) is the charge on the capacitor at time t, and I is the current, then dQ dt If the circuit resistance is zero, then the charge Q and the current I in the circuit satisfy the differential equation dI 'dt + If L=1 henry, R=1 ohm, and C = 4 farads, find a formula for the charge when (a) Q (0) = 0 and Q (0) = 5: Q(t)= 4e^(-1/2) Capacitor L (b) Q(0) = 5 and Q (0) = 0: Q(t) = Resistor mamm DOUVID Inductor L I= 8²0+0=0 d²Q dt2 Then, just as as a spring can have a damping force which affects its motion, so can a circuit; this is introduced by the resistor, so that if the resistance of the resistor is R d²Q dQ dt +R dt² +9=0. www…Two inductors of inductances 4H & 8H arranged in series and a current of 10A is passed through them. What is the energy stored in them?
- Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced, give an estimate of the self-inductance of the circuit.Capacitors have the opposite effect on AC circuits that inductors have. Explain this statement.When alone in an AC circuit, inductors, capacitors, and resistors all impede current. How do they behave when all three occur together?