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Q. Consider a pair of coupled coils as shown in Figure of the text, with currents, voltages, and polarity dots as indicated. Show that the mutual inductance is L12 = L21 = M by following these steps:
(a) Starting at time t0 with i1(t0) = i2(t0) = 0, maintain i2 = 0 and increase i1 until, at time t1, i1(t1) = I1 and i2(t1) = 0. Determine the energy accumulated during this time. Now maintaining i1 = I1, increase i2 until at time t2, i2(t2) = I2. Find the corresponding energy accumulated and the total energy stored at time t2.
(b) Repeat the process in the reverse order, allowing the currents to reach their ?nal values. Compare the expressions obtained for the total energy stored and obtain the desired result.
Suppose that the x rays are emitted from a focal spot isotropically. The photon flux is 3.28 x 10 6 photons mm -2 sec -1 at a distance of 0.75 m from the focal spot. What is the
Information Processing: Information processing is the key to improving cutting and productivity costs of excess work. Converting information to a computerized format in GIS i
Explain SAHF instructions in 8086 family with example and their effect on flag. SAHF: Store AH register in flag register, this is an instruction utilized to store the data i
Q. Show Balanced three-phase loads? Three-phase loads can be connected in either wye (also known as star or Y) or delta (otherwise known as mesh or ). If the load impedances i
Q. What is Idss. What are the conditions for its maximum value? The term 'Idss' refers to saturation condition of the Drain current. From the above graph it's clear that as the
#Explain charging and discharging of the capacitor ..
Phenol and Formaldehyde are polymerised to a resultant product known as (A) PVC. (B) bakelite. (C) Polyester. (D)
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Q. Draw a centralized SPC organization. Ans: A dual processor architecture can be configured to operate in one of three modes: (i) Standby mode (ii) Synchronous dupl
Key Performance Indicators in Business Significance of Key Performance Indicators (KPIs) in the business of power especially within a change environment due to partial deregul
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