A coil which has an inductance of 40mH and a resistance of 2 ohms is connected...
5. A resistance 250, inductance 200mH, and capacitance 1 uF capacitor are all connected in series, and across the combination is connected to a 500V, 60 Hz supply. Calculate (a) the current flowing, (b) the phase difference between the supply voltage and current, (c) the voltage across the coil and the capacitor. 6. An 300-uF capacitor is connected in series with 3.25-MQ resistance across a 300-V supply. The switch is closed. Calculate a) Time constant of the circuit b) Initial...
Q2) A coil has a resistance of 4 ohms and an inductance of 9.55 mh connected in parallel. Calculate a) the reactance, b) the impedance, c) the current taken across both resistor and inductor, d) total current Supply voltage is 220V and frequency is 50 Hz
a) A coil having resistance of 12 2 and an unknown inductance is connected in series with a 14uF capacitor. The circuit draws maximum current when a voltage of 200 V at 60 Hz is applied. A second capacitor is then connected in parallel to the circuit. i) What should be its value (capacitance), such that the combination acts like a non- inductive resistance, with the same voltage (200V) at 120 Hz? [3.0 marks] ii) Calculate the supply current drawn...
A 12-V battery is connected in series with a switch, resistor and coil. If the circuit's time constant is 2.0 ´ 10-4 s and the final steady current after the switch is closed becomes 1.0 A, what is the value of the inductance? Question 60 options: 1) 1.2 mH 2) 2.4 mH 3) 9.6 mH 4) 48 mH 5) 96 mH WILL RATE!!
A 12.0 V dc battery having no appreciable internal resistance, a 250 ohms resistor, a 15.0 mH inductor, and an open switch are all connected in series. a. What is time constant in this circuit? b. What is the voltage on the resistor when the switch is just closed? c. What is the voltage on the inductor when the switch has been closed for a long time? d. What is maximum energy stored in the conductor? e. What is current...
A coil with inductance 5.0 mlH is connected in series with a 5 V voltage coil and a 67-ohm resisto dimensional array t (0, 0.001, 500) seconds. Find the current through the circuit at these times. Answer in the form of a one-dimensional array I (large i) at these times. The unit is Ampère. Do not envy. r. The circuit is closed at time t = 0, Describe the time as a one
An inductor with an inductance of 2.30 H and a resistance of 7.50 ? is connected to the terminals of a battery with an emf of 6.00 V and negligible internal resistance. (a) Find the initial rate of increase of current in the circuit. A/s (b) Find the rate of increase of current at the instant when the current is 0.500 A. A/s (c) Find the current 0.250 s after the circuit is closed. A (d) Find the final steady-state...
A coil with inductance of 3.0 H and a resistance of 34.0 ? is suddenly connected to a resistanceless battery with ? = 100.0 V, by closing the switch. What is the equilibrium current? How much energy is stored in the magnetic field when this current exists in the coil?
An inductor with an inductance of 2.50H and a resistance of 7.70? is connected to the terminals of a battery with an emf of 6.50V and negligible internal resistance. Find the initial rate of increase of current in the circuit. Find the rate of increase of current at the instant when the current is 0.550A . Find the current 0.290s after the circuit is closed. Find the final steady-state current.
resistor a switch, and a 12 V battery 7) A 20 mH coil inductor is connected in series with a) (5 pts) What is the time constant of the circuit? b) (10 pts) How long after the switch is closed will it take for the current to reach 99 percent of final value? e) (5 pts) A long time after the switch is closed, what is the energy stored in the coil? W 10000