3. Calculate the self-induced emf in the solenoid of inductance L = 0.181 mH, if the...
(a) Calculate the self-inductance (in mH) of a 47.0 cm long, 10.0 cm diameter solenoid having 1000 loops. 20.9 → mH (b) How much energy (in J) is stored in this inductor when 19.0 A of current flows through it? با (c) How fast (in s) can it be turned off if the induced emf cannot exceed 3.00 V? S
(a) Calculate the self-inductance (in mH) of a 54.0 cm long, 10.0 cm diameter solenoid having 1000 loops. mH (b) How much energy (in )) is stored in this inductor when 19.5 A of current flows through it? J (c) How fast (in s) can it be turned off if the induced emf cannot exceed 3.00 V?
(1 point) A solenoid has 440 turns and its self-inductance is 1 mH. a) What is the flux through each turn when the current is 5 A? Wb b) What is the magnitude of the induced emf when the current changes at 35 A/s? mV
A solenoid is hooked to an alternating current source. a. Calculate the self-inductance of a 40.0 cm long, 8.0 cm diameter solenoid having 800 loops. b. How much energy is stored in this inductor when 10.0 A of current flows through it? c. How fast can it be turned off if the induced emf cannot exceed 9.00 V?
22. A solenoid is hooked to an alternating current source. a. Calculate the self-inductance of a 40.0 cm long, 8.0 cm diameter solenoid having 800 loops. b. How much energy is stored in this inductor when 10.0 A of current flows through it? c. How fast can it be turned off if the induced emf cannot exceed 9.00 V?
Electrical Circuit and Self Inductance?
With a battery emf of 13.6 V
in the RL circuit ( R=0.710 ? and L= 78.0 mH), what is the
self-induced emf when the switch has just been closed on
a?
What is the self-induced emf after two L/R time constants have
passed?
In units of the time constant, after how much time will the
self-induced emf be just one-half of the battery emf?
A coil has 460 turns and self-inductance 7.50 mH. The current in the coil varies with time according to i=(680mA)cos[πt/(0.0250s)]. What is the maximum emf induced in the coil? What is the maximum average flux through each turn of the coil? At t=0.0180 s, what is the magnitude of the induced emf?
10. A coil has 400 turns and self-inductance 4.80 mH. The current in the coil varies with time according to i=(680mA)cos(att/0.0250s). (a) What is the maximum emf induced in the coil? (b) What is the maximum average flux through each turn of the coil? (c) At t= 0.0180 s, what is the magnitude of the induced emf?
Question 2: A circular solenoid of radius 2.5 cm has 400 turns and a length of 20 cm. The current in the solenoid changes at the rate of +38 A/s. a) Find the self-inductance L of the solenoid. b) Calculate the magnitude of the induced emf in the solenoid