A 26-mH inductor, an 8.5-N resistor, and a 6.1-V battery are connected in series as in the figure below. The switch is closed at t = 0. L R (a) Find the voltage drop across the resistor at t = 0. (b) Find the voltage drop across the resistor after one time constant has passed. (c) Find the voltage drop across the inductor at t = 0. (d) Find the voltage drop across the inductor after one time constant has elapsed.

An RL circuit consists of a switch, an emf source E,, a 3.0 ka resistor, and a 1.0H inductor. If the potential across the resistor is 15.0 V 8.0 ms after the switch is closed, find the source emf, E..

(a) What is the characteristic time constant of a 23.3 mH inductor that has a resistance of 4.09 Ω?               ms(b) If it is connected to a 12.0 V battery, what is the current after 12.5 ms?                A

A 10 -mH inductor and a 25 MF (micro F) capacitor are connected in parallel. The combination is in series with a resistor and a 15 Ohm resistor and 10V, 160Hz emf. (a) What is the current through the resistor? (b) What is the phase angle?

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A circuit consists of 18 volts battery, a 72 mH inductor and two 50 ohms resistors connected in parallel. a) Find the characteristic time constant for the circuit. b) What is the current in the circuit at two characteristic time intervals after the switch is closed? c) A long-time-interval after the switch is closed L R R ww

(a) What is the characteristic time constant of a 25.2 mH inductor that has a resistance of 4.02 N? ms (b) If it is connected to a 12.0 V battery, what is the current after 12.5 ms? A

A 35.0 V battery with negligible internal resistance, a 50.0 Ohm resistor, and a 1.25 mH inductor with negligible resistance are all connected in series with an open switch.  The switch is suddenly closed.  How long after closing the switch will the current through the inductor reach one-half of its maximum value?  How long after closing the switch will the energy stored in the inductior reach one-half of its maximum value?

(L11) At t = 0 s, a 3.53E-3 H inductor carries a 5.03 A current flowing from a to b, as shown in the figure. The current then decreases at a constant rate until it becomes zero at t = 4.10 s. The voltage is measured to be Va at point a and V₁ at point b. What is the voltage difference Va-Vb between t = 0s and t = 4.10 s (in V; answer the sign and magnitude)? a فیقققق L elle I b