Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 450 and 550 turns, respectively. A current of 2.20 A in solenoid A produces an average flux of 300 μWb through each turn of A and a flux of 90.0 μWb through each turn of B. (a) Calculate the mutual inductance of the two solenoids. mH (b) What is the inductance of A? mH (c) What is the magnitude of the emf that is induced in B when the current in A changes at the rate of 0.500 A/s? mV Noad Hel?.

Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 340 and 580 turns, respectively. A current of 3.40 A in solenoid A produces an average flux of 300 uWb through solenoid A and a flux of 90.0 µWb through solenoid B. (a) Calculate the mutual inductance of the two solenoids. mH (b) What is the inductance of A? mH (c) What is the magnitude of the emf that is induced in B when the current in A changes at the rate of 0.500 A/s? mV

A solenoid with 455 turns has a length of 5.50 cm and a cross-sectional area of 3.50 ✕ 10−9 m2. Find the solenoid's inductance and the average emf around the solenoid if the current changes from +3.00 A to −3.00 A in 6.33 ✕ 10−3 s. (a) the solenoid's inductance (in H) (b) the average emf around the solenoid (in V)

A solenoid of radius 2.30 cm has 560 turns and a length of 25.0 cm. (a) Find its inductance. mH (b) Find the rate at which current must change through it to produce an emf of 50.0 mV. (Enter the magnitude.) A/s

The heating coils in a hair dryer are 0.87 cm in diameter, have a combined length of 0.8 m, and a total of 480 turns. (a)    What is their total self-inductance assuming they act like a single solenoid? (b)    How much energy is stored in them when 6.5 A flows?

A battery providing emf V is connected in series to a resistor R and an inductor L, and left until the current reaches a constant value. (a) What is the energy stored in the inductor in terms of V, R and L? Then, at t = 0, the battery is suddenly removed, so that only the inductor and resistor are left connected to each other in a closed circuit. (b) Derive an expression for the energy stored in the inductor in the new circuit without the battery. Sketch your expression as a function of time. (c) How long does it take for the energy stored in the inductor to decay to 1/9 of the initial value that you found in part (a)?

Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 390 and 590 turns, respectively. A current of 3.80 A in solenoid A produces an average flux of 300 μWb through each turn of A and a flux of 90.0 μWb through each turn of B. (a) Calculate the mutual inductance of the two solenoids. mH (b) What is the inductance of A? mH (c) What is the magnitude of the emf that is induced in B when the current in A changes at the rate of 0.500 A/s? mV

A solenoid of radius 3.5 cm has 700 turns and a length of 25 cm. (a) Find its inductance. mH (b) Find the rate at which current must change through it to produce an emf of 70 mV. (Enter the magnitude.) A/s

A solenoid with 455 turns has a length of 8.00 cm and a cross-sectional area of 2.70 ✕ 10−9 m2. Find the solenoid's inductance and the average emf around the solenoid if the current changes from +4.00 A to −4.00 A in 6.83 ✕ 10−3 s. (a) the solenoid's inductance (in H)   (b) the average emf around the solenoid (in V)