A coil with inductance 5.0 mlH is connected in series with a 5 V voltage coil...
A coil which has an inductance of 40mH and a resistance of 2 ohms is connected together to form a LR series circuit. If they are connected to a 20 V DC supply (10 points) • What will be the time constant of the RL series circuit? • What will be the value of the circuit current one time constant after the switch is closed. • What will be the final steady state value of the current?
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...
A resistance and inductance are connected in series in a circuit containing an impressed voltage of 100V. If R=10 ohms, L= 2 henries and i=0, find i when t=0.02 sec. Express in amperes, using 2 decimal places.
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 5.0-mH Inductor and a 11.0-ohm resistor are connected in series with a 1.5-V dc battery as shown.(a) What is the voltage across the resistor immediately after the switch is closed? V (b) What is the voltage across the resistor after the switch has been closed for a long time? V (c) What Is the current in the inductor after the switch has been closed for a long time? A
RLC resonance 5.2 A A coil with a resistance of 5, and an inductance of 0.03 H is connected in series coil with a with a resistor R = 100 and a capacitor of 200 uF. The supply is giving 220 V at 50 Hz. 5.2.1 Draw the network. (2) 5.2.2 Determine the current drawn in the circuit and the voltage drop across the coil. (Hint find: Zcoil. Ztotal. I, Vcoil) 5.2.3 Draw the phasor diagram of the current in...
What is the Kirchhoff's junction rule equation for this junction? A 10-V-emf battery is connected in series with the following: a 2-mu F capacitor, a 2-Ohm resistor, an ammeter, and a switch, initially open; a voltmeter is connected in parallel across the capacitor. After the switch has been closed for a relatively long period (several seconds, say), what are the current and capacitor voltage readings, respectively? A resistor, inductor, battery, and switch are all hooked up in series. Draw a...
A coil is connected in series with a 11.7 k Ohm resistor. An ideal 54.4 V battery is applied across the two devices, and the current reaches a value of 2.28 mA after 6.95 ms. Find the inductance of the coil. How much energy is stored in the coil at this same moment?
A resistor of 15 and a coil are connected in series with a 6.30V battery with negligible internal resistance and a closed switch. At the instant of 2.00 ms after opening the circuit the current is 0.210A, the inductance of the coil is: a. 94.5 H b. 13.3 mH c. 42.0 mH d. 43.3 mH
ogf induced in a coil is 0.72 V when the current in the coil changes to 1.6 A in 0.25 s. What is the self-inductance L of the coil? An alternating voltage with a peak voltage of 12 V and a frequency 60 Hz is connected in series to a resistor with resistance R : 10 ?, a capacitor with capacitance C-1000 ?F, and an inductor with inductance L 500 mH. Determine the root-mean-square current in the circuit. (a)