If the voltage across a 28 F capacitor is 13 te3t v, calculate the power at t = 11 ms .Write your answer in Watts
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- A 47kF capacitor is subjected to an electric charge of 6 Coulomb. Compute for the plate separation if the area of the plate is 4 square meters.A 0.010 H inductor is connected to a voltage source whose expression is e=311sin (377t+ pi/2) V. Write the expression for current.A circuit whose resistance is 20 Ω and inductance of 10 H has a steady voltage of 100 V suddenly applied to it. For the instant of 0.5 second after the voltage is applied, determine the total power input to the circuit.
- A large capacitance of 1.58 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.19 µm of Teflon, which has a dielectric constant of 2.1. (b) What is the maximum voltage that can be applied if the dielectric strength for Teflon is 60 ✕ 106 V/m (c) Find the maximum charge that can be stored. (d) Calculate the volume of Teflon alone in the capacitor. (units: m^3)a) Determine the Energy stored in a 3µF capacitor when charged to 400V b) Find also the average power developed if this energy is dissipated in a time of 10usec.Two coils of inductances 4 H and 6 H are connected in parallel. If their mutual inductance is 3 H. Calculate the equivalent inductance of the combination if mutual inductance assists and if mutual inductance opposes the self-inductance respectively.
- Given this network of capacitors: Assuming the dielectric of each capacitor is air and the network is connected to Vab = 30V supply, calculate thefollowing:The terminal voltage of a 2-H inductor is v = 10(1 – t ) V. Find the current flowing through it at t = 4s and the energy stored in it at t = 4 s. Assume i(0) = 2 A.solve the equation for I(t), Resistance (ohm): 5.7Capacitance (millifarad): 20.76Inductance (millihenry): 1.2Voltage (volts): 220Frequency (Hz): 50
- . A 47,000 µF capacitor, initially charged to 100 V, is discharged by a steady current of 1 mA. How long does it take to discharge the capacitor to 0 V? a. Is this discharge time long or slow? ExplainThe current in a 20 mH inductor is known to be i=40 mA,t≤0; i=A1e−10,000t+A2e−40.000tA,t≥0. The voltage across the inductor (passive sign convention) is 28 V at t=0. 1. Find the expression for the voltage across the inductor for t>0. 2. Find the time, greater than zero, when the power at the terminals of the inductor is zero.8 The energy dissipated in a circuit is rated at 240 microJoules. If the supply voltage is given to be 7.5 volts, determine the capacitance used in the circuit. Select one: a. 8.5 microFarads b. 5.6 microFarads c. 47 microFarads d. 3.3 microFarads