When the current in an inductor decreases from I to 0.5 I then the energy stored in the inductor will O a. decrease to the half O b. not change O c. doubled O d. decrease to the quarter

Q: 15- Let to be inductor L=4H and the value of current through this inductor =3A. Which of the…

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Q: 16. Suppose Consider the circuit below. Switch S is closed at t = 0. What is the current through the…

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Q: (L11) The current flowing through a 3.64E-3 H inductor increases from 3.50 A to 9.62 A. What is the…

A: Inductance of inductor, L=3.64E-3 HInitial value of current, i0= 3.50 AFinal value of current,…

Q: The current (I) takes 5 ms to reach 90% of its max value. The inductance (L) of the coil is equal to…

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Q: An inductor is arranged ina circuit with the resistors, power supply and switch as shown. What is…

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Q: 18. The power supply drives the primary coil at 9.9 MHz. If thi frequency is doubled, how must the…

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Q: 7. Consider a circuit with an inductor, a DC voltage source, a resistor, and an open switch.…

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Q: A 3.7 mH inductor is initially connected to a 4.6 V battery at t 0 through a 3.0 Q resistor. Once…

A: Given that, The inductance of an inductor (L) = 3.7 (mH) Supply voltage (ε) = 4.6 (V)Resistance (R)…

Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = constant t= 1 s. A conducting…

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Q: In so called Faraday's disc generator, there is a circular conducting disc (radius a) which rotates…

A: Radius,aField,BAngular velocity,ωFlux through the disk,ϕ=BA=Bπa2Time required for one…

Q: ir own cir

A: Given as, A voltage source of V=86V A resistor of resistance R=1.8KΩ=1800Ω A inductor of inductance…

Q: 4. A circular coil has 275 turns and a radius of 0.045 m. The coil is used as an ac generator by…

A: Solution:-Given thatN=275 turnsR=0.045 mB=0.5 TMaximum emf (emax)=175 V

Q: R b N а +|E Emk ɛ = 400V, resistor R = 100, switch S and a toroid of N = 10* number of turns are…

A: Concept used: The energy of toroid depends on radius of toroid, current flowing through it , no. of…

Q: 8) Atwhat rate would the current in a I00-mH inductor have to change to induce an emf of 1000 V? A)…

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Q: 4. List the magnetic permeability and inductance values of some important materials: iron, steel,…

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Q: 10. The number of turns in a solenoid is increased by a factor of three without changing the length.…

A: The given condition of the number of turns is given as N2=3N1 Here, N2 and N1 are the final number…

Q: Questions (30) and (31) are based on the following statement. A coil with a self-inductance of 2H…

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Q: voltage equal to the emf

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Q: A solenoid with an inductance of 14 mH is charged up from an initial current of 3.0 A to a current…

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Q: An inductor of inductance 10 H and resistance of 20 Q is connected to a battey of emf 10 V. If the…

A: The energy stored in the inductor is given by E = 12Li2, where L = inductance in the circuit i =…

Q: How much current would have to pass through a 10.0 mH inductor s would be enough to bring…

A: Hi please find solution to your problem  Formula used  E = 1/2 *L*I^2

Q: 7) Currents induced by rapid field changes in an MRI solenoid can, in some cases, heat tissue in the…

A: a) Change in magnetic field,  ∆B=B2-B1∆B=0-1.6 ∆B=-1.6 T Length of the loop, L=8 cm=0.08 m Radius of…

Q: A circular wire coil with 26 turns and radius 3.81 cm is placed in a uniform magnetic field of…

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Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = constant t= 1 s. A conducting…

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Q: A 75 turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 rad/s in a 1.20 T field,…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: When the current through a large inductor is interrupted with a switch, an arc appears across the…

A: In an inductor an induced emf is produced when current flows through it due to mutual inductance.

Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 40 V, R = 5 2, and the time…

A: Battery voltage= 40 V Resistance= 5 ohm Time constant = 1 s Length and value of r is unknown.

Q: 7) A primary coil is hooked up to a battery that supplies a constant current through a solenoid coil…

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Q: 6. A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes…

A: Given value--- mutual inductance of 1.5 H. current in one coil changes from 0 to 20 A is 0.5 s, We…

Q: 6. An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c.…

A: Given: Inductive and non-inductive resistance connected in series Length of inductive coil, L…

Q: 4) A solenoid with a radius of 15 cm and 150 loops is placed in a B field of 45 T. The B field drops…

A: radius, r=0.15 mnumber of turns, n=150magnetic field, B=45 Ttime, t=2 min           =120 sec

Q: The direction of the induced emf in the coil as current increases from 0 up to 10A over 0.1 seconds…

A: The direction of induced emf is  perpendicular to the direction of magnetic field as well as the…

Q: The induced e.mf in a circuit always oppose the decay or growth of magnetic flux. This statement is…

A: Required : Law related to the statement.

Q: A 30.0-mH inductor and 9.00-Q resistor, together with a switch, are connected in series to an ideal…

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Q: Two coils close to each other have a mutual inductance of 32 mH. If the current in one coildecays…

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Q: The current i through a 4.7 H inductor varies with time t as shown by the graph of the figure. The…

A: The induced emf (ε) in a coil, with an inductance of L as a result of the change in current ∆I in ∆t…