
9) A 32 mH inductor is an ideal solenoid with a radius of 0.78cm (area of...
An 87 mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is tightly wound around the solenoid at its center. the coil resistance is 6.1 ohms. the mutual inductance of the coil and solenoid is 30 micro H. At a given instant, the current in the solenoid is 980 mA, and is decreasing at the rate of 2.5 A/s the number of turns in the winding of the solenoid is...
Suppose you wish to make a solenoid whose self-inductance is 1.2 mH. The inductor is to have a cross-sectional area of 2.00 10-3 m2 and a length of 0.053 m. How many turns of wire are needed?
Suppose you wish to make a solenoid whose self-inductance is 1.4 mH. The inductor is to have a cross-sectional area of 1.7 x 10-3 m2 and a length of 0.059 m. How many turns of wire are needed?
Suppose you wish to make a solenoid whose self-inductance is 2.1 mH. The inductor is to have a cross-sectional area of 1.6 x 10-3 m2 and a length of 0.070 m. How many turns of wire are needed?
Suppose you wish to make a solenoid whose self-inductance is 1.6 mH. The inductor is to have a cross-sectional area of 1.7 x 10-3 m2 and a length of 0.072 m. How many turns of wire are needed?
A 280 turn solenoid with a length of 21.0 cm and a radius of 1.80 cm carries a current of 2.10 A. A second coil of four turns is wrapped tightly around this solenoid, so it can be considered to have the same radius as the solenoid. The current in the 280 turn solenoid increases steadily to 5.00 A in 0.900 s. (a) Use Ampere's law to calculate the initial magnetic field in the middle of the 280 turn solenoid....
Question 6 The inductance of a solenoid 10.0cm long with a cross-sectional area of 1,00 x 104 m2 is 0.400 mH. How many turns of wire does this solenoid have? 318,000 159,000 564 282 Question 12 A 4 Ohms resistor is connected in parallel with a 20 resistor? 2.0A 2/3 A 3.0A 4/3 A A solenoid with a certain number of turns and carrying a current of 2A has a length of 34cm. If the magnitude of the magnetic field generated at the center of the...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5 Ω . At what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.149 A in the coil? b. A closely wound rectangular coil of 90.0 turns has dimensions of 30.0 cm by 47.0 cm . The plane of the coil is...
A 27 mH solenoid inductor is wound on a form 0.8 m in length and 0.1 m in diameter. A coil is tightly wound around the solenoid at its center. The coil resistance is 7.5 Ohms. Mutual inductance of the coil and solenoid is 9.8 microH. At a given instant, the current in the solenoid is 800 mA, and is decreasing at a rate of 2.5 A/s. At a given instant the induced emf in the solenoid is closest to:...
A solenoid has a radius Rs 15.0 cm, length L 3.50 m, and Ns 6500 turns. The current in the solenoid decreases at the rate of 69.0 A/s. A circular coil with a single turn and radius rc 22.0 cm encircles the solenoid with its plane perpendicular to the axis of the solenoid. Determine the magnitude of the average induced electric field in the coil. 1.77E-2X How is the emf over a closed path related to the electric field around...