You have a current of 5 A flowingin a circuit with an inductance of 2 H. How quickly would
you have to reduce the current to 0 A to induce an Emf of 1000 V? Assume the change is
constant.
If your circuit were an air-filled solenoid with a volume of 10 cm3, how many turns per unit
length would there be?
You have a current of 5 A flowingin a circuit with an inductance of 2 H....
18. Al wat rate would the current in a 100-mH inductor have to change to induce an emf of 1000 V in the inductor? 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains 750 turns, how many turns are on the secondary? 20. A series circuit consists of a H an - -- - -- 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains...
18. A solenoid with an inductance L " 8.0 x 10, H is in a circuit with a total reu tance R-ssa Aar nns flowing in the circuit at time t - O. The current in the solenoid then decreases from 2 A to A in 0.1 ml-veconds hat the magnitude of the induced EMF? A) 16o v B) 32o V C) 24 v D) 64V E) 32 v
A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is the resistance of the wire? Ω (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m (d) What is...
A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is the resistance of the wire? Ω (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m (d) What is...
A solenoid with A=4.0x10^-4m^2 and length of 25cm is constructed with 300 turns. Calculate the inductance and the self inducted emf if a current change of 50 A/s flows.
please help. (a) How many turns per unit length should the solenoid have? 1071.9 x Review the example. This is an identical situation. Also make sure you keep track of your units. turns/m (b) If the self-induced emf is € = -13.5 mV at a given time, at what rate (in A/s) is the current changing at that instant? A/s A solenoid is to have an inductance of 0.270 mh, a cross sectional area of A = 5.50 x 10...
1. A 2-H INDUCTOR DRIVES A CURRENT OF 0.5 AMP WHEN THE CIRCUIT IS OPENED THE CURRENT DISAPPEARS IN 0.01 SEC, CALCULATE THE EMF. 2. CALCULATE THE MAGNETIC FLOW THROUGH A COIL OF 7.2 Mh WITH 300 ROLLS WHEN i=10 mAmp 3. THE CURRENT IN A 0.02-H INDUCTOR VARY ACCORDING TO I-3t 4t CALCULATE a. Emf at t=1 sec and t = 5 sec b. So that the value of t the Emf induced is zero 4. A SOLENOID HAS...
An inductor in the form of a solenoid contains 420 turns, is 16 cm in length and has a cross- sectional area of 3cm^2. What uniform rate of decrease of current through the inductor would induce an emf of 175 mu V? What is the self-inductance of the coil?
Please show a Step by Step process and all formulas required to solve these problems. Figure P3.9.4 Problem 3.9.4. SECTION 3.11 INDUCTANCE 3.11.1. Determine the per-unit-length self inductance of the solenoid of Problem 3.9.4. Hint: Determine the flux linking one turn and recall that the inductance is the flux linkages per unit of current linking them. Determine the inductance per unit length for an iron (u, 1000) sole- noid of radius l cm, with 20 turns per cm. [|-μ,μοη 2πα2...