Calculate the e.m.f. induced in a coil of inductance 15 H in which the current changes from 8A to 5 A in 1 sec.
Q: In a seasonant ciucuit induclance of the coil is 3 mH and sesonant frequency L000 kifz. kOhat és…
A: Given data L=3 mHf=1000 kHz Here L is the inductance. While f is the frequency of the circuit. Now…
Q: 4. A coil inductance 1 henry and resistance 10 ohms is connected in series with an e.m.f. of Eo sin…
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Q: Find the magnetic energy stored by a 4.94 mH inductor when the current through it is 1.3 A.
A: Given data: Inductance (L) = 4.94 mH = 4.94×10-3 H Current (I) = 1.3 A Required: The magnetic…
Q: If the value of inductance is 20 H and 4A of current flows through it, Find the value of energy…
A: Write the given values of this problem. L=20 HI=4 A
Q: Find the inductance of an RL circuit if the resistance is 0.5?and the current increases to ¼ of tis…
A: resistance (R) = 0.5 ohm Time (t) = 1.5 seconds Current = Imax4
Q: Three coils each having resistance 562 and inductance L' H are connected in STAR to a 415V, 50HZ, 3-…
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Q: How fast can the 150 A current through a 0.250 H inductor be shut off if the induced emf cannot…
A: Given: Current, i = 150 A inductance, L = 0.25 H Voltage, V = 75 V
Q: Current changing from 8 A to 12 A in one second induced 20 V in a coil. The value of inductance is
A: Given : I1 = 8 A I2 = 12 A dt = 1 second ε = 20 V
Q: Find the magnetic energy stored by a 4.94 mH inductor when the current through it is 10.3 A.
A: Given: The inductance of the inductor is 4.94 mH. The electric current is 10.3 A.
Q: At t=0: coil plane is parallel to B Rectangular coil of 200 windings S N S N 5 cm 10 ст В — 2T coil…
A: Magnetic field = 2 T Number of windings = 200 Length of coil = 10 cm Width of coil = 5 cm
Q: magnetic energy stored by a 4.56 mH inductor when the current through it is 10.3 A
A: Given Self inductance L = 4.56 mH = 4.56 × 10-3 H Current I = 10.3 A
Q: How fast can the 145 A current through a 0.240 H inductor be shut off if the induced emf cannot…
A: Given: Current is I=145 A Inductance of inductor is L=0.240 H Induced emf is emf=73 V Find: Time…
Q: A Transformer has an inpud voltage 12o.k(ims)ac The desire outage voltge is li36xl0v (Ems). frimary…
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Q: 102. A 12 H in rate must the cu in the inductor?
A: Since there are multiple questions posted, we will answer the first question for you. If you want…
Q: The resistance of a coil is 50 0. When the frequency is 80 Hz, the voltage on the coil is 62,3 ahead…
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Q: Calculate L for the coil if the induced emf is measured to be 2 V for a call with 50 closed turns…
A: Given data: Induced emf =2VNumber of coil,N=50I1=0I2=5At=0.1 s
Q: The co-efficient of mutual induction between primary and secondary coil is 2H. Calculate induced…
A: To find- Induced emf (e)=?Given-Coefficient of mutual inductance (M)=2 HCurrent (dI)=4 ATime…
Q: If the current is 3.00 A and is increasing at a rate of 3.80 A/s, what is the potential difference…
A: Given: R=2.55ohm L=121mH I=3A dI/dt=3.8A/s Lets find potential difference(V) across the coil .
Q: For the LR circuit shown below, R40 12 & r 5 ms. The switch is closed and 10 ms later the current is…
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Q: An induced EMF of 16 V exists in a coil when the current in the coil changes at a rate of 42 A/s.…
A: Given that:-Induced emf, E = 16VRate of change of current, didt = 42 A/s
Q: How fast can the 155 A current through a 0.160 H inductor be shut off if the induced emf cannot…
A: For the inductor we have V=LdIdt=L∆I∆t⇒∆t=LV∆I
Q: How fast can the 160 A current through a 0.260 H inductor be shut off if the induced emf cannot…
A: Current , I = 160 A Inductor , L = 0.26 H Induced emf = 73 V To find = Time taken
Q: Suppose that you require a total inductance of 50 mH. You have available a 10 mH coil and a 22 mH…
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Q: An emf of 9.7 × 10-3 V is induced in a coil while the current in a nearby coil is decreasing at a…
A: Given that-EMF 'ε'= 9.7×10-3 Vdidt= 2.7 A/sEMF of a coil 'ε'= -M×dIdt .... Equation 01after…
Q: A coil has 2.55-Q resistance and 121-mH inductance. If the current is 3.00 A and is increasing at a…
A: Given that,Resistance of coil, R= 2.25ΩInductance of coil, L= 121 mH=121×10-3 HCurrent across the…
Q: A 4-79 permalloy solenoid coil needs to produce a minimum inductance of 1.5 Wb/m2 . If the maximum…
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Q: d. The potential difference across each component. е. Verify value of the supply voltage calculated…
A: V=IZ
Q: Determine the inductance L of the primary of a transformerwhose input is 220 V at 60.0 Hz if the…
A: Given: The input voltage applied to the transformer is V=220 V. The frequency of the transformer is…
Q: find the induced emf in the coil once coil is rotated about 0.3 secs
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Q: At a given instant the current and self-induced emf in aninductor are directed as indicated in the…
A: Given Induced EMF E = 17 V Change in current dIdt = 29 kA/s = 29×103 A/s
Q: Find the energy stored in a 7.4-mH inductor when the current is 3.5 A. J
A: L=7.4mH=7.4×10-3HI=3.5A
Q: if two coils placed next to one I know there have a mutual inductance of 3.00 MH, what voltage (in…
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Q: List down 3 ways in increasing the EMF of induced coil.
A: EMF is directly related to magnetic flux through the coil so if we increase magnetic flux per unit…
Q: How fast can the 160 A current through a 0.230 H inductor be shut off if the induced emf cannot…
A: Given: current=160 A inductor=0.230 H Formula used: V=-Ididt
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