A circular coil has a 10.0 cm radius and consists of 50.0 closely wound turns of wire. An externally produced magnetic field of magnitude 3.18 mT is perpendicular to the coil. When the current in the coil is 5.00 A in a certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil?

Q: An emf of 0.60 V is induced across a coil when the current through it changes uniformly from 0.30 to…

A:

Q: An emf of 0.80 Vv is induced across a coil when the current through it changes uniformly from 0.30…

A:

Q: A circular coil has a 11.2 cm radius and consists of 29.0 closely wound turns of wire. An externally…

A: ϕ=NABcosθ=NπR2Bcosθ=29π0.112 m22.78 mT10-3 T1 mTcos0°=9.97×10-3 T·m2

Q: 0 μsμs after the switch of (Figure 1) is moved from aa to bb, the magnetic energy stored in the…

A:

Q: At the instant a current of 0.20 A is flowing through a coil of wire, the energy stored in its…

A: Given, Current I=0.20A Magnetic field energy U=6.0×10-3J

Q: A 680 loop circular armature coil with a diameter of 7.4 cm rotates at 130 rev/s in a uniform…

A: Given Number loop is N=680 Diameter of the coil is d=7.4 cm=7.4×10-2 m Angular speed is given as…

Q: An external magnetic field is parallel to the central axis of a 56.0-turn coil of radius 6.60 cm.…

A: Number of turns (N) = 56 Radius (r) = 6.60 cm = 0.066 m Time (t) = 149 ms = 0.149 seconds Initial…

Q: Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed…

A: Given :-N = 50 turnB = 1.5 TA = 0.175 m2∆t = 0.275 s

Q: V03

A:

Q: A fixed 12.4-cm-diameter wire coil is perpendicular to a magnetic field 0.71 T pointing up. In 0.23…

A: Diameter of coil, d=12.4 cm⇒0.124 m Initial magnetic field, B1=0.71 T Final magnetic field, B2=0.24…

Q: An emf of 0.50 V is induced across a coil when the current through it changes uniformly from 0.20 A…

A: solution is given by

Q: Suppose that a rectangular toroid has 2,000 windings and a self-inductance of 0.060 H. If the height…

A: The energy stored in an inductor is, U=12LI2

Q: There is a tank of width and length of w and a height of 0.6 m. This tank is wrapped around with…

A:

Q: Two coils of wire are placed close together. Initially, a current of 3.80 A exists in one of the…

A: Given: The current in the coil is I=3.80 A. The time for which current revolve in the coil is…

Q: A 150-turn circular coil has a diameter of 5.25 cm and a resistance of 1.30 Ω. A magnetic field…

A:

Q: Problem A. A single turn coil of radius 7.00 cm is held in a vertical plane and a magnet is rapidly…

A:

Q: A 5-turn square loop 10 cm along a side, resistance = 4.0 ohm is placed in a magnetic field that…

A: Given Number of turns N = 5 Area a                     = 10 cm = 0.1 m Resistance R           = 4…

Q: A coil of wire contains three loops. If the magnetic flux through the coil changes from - 45 Wb to…

A: Given that Number of loops in coil = 3 Change in magnetic flux (ΔΦ)=52Wb-(-45)Wb ΔΦ= 97 Wb Δt =36…

Q: At the instant a current of 0.40 A is flowing through a coil of wire, the energy stored in its…

A: Write the equation for the energy stored in magnetic field. Eenrgy storedU=12Inductance LCurrent I2…

Q: A 600-turn solenoid is 0.55 m long and 4.2 cm in diameter. Inside the solenoid, a small (1.1 cm ×…

A:

Q: What is the energy density at the center of a circular loop of wire carrying a 26.0 A current if the…

A:

Q: A circular coil of radius 2.5 cm has 27 turns of wire. It is placed in a magnetic field directed…

A:

Q: The current in a coil changes from 3.60 A to 1.90 A in the same direction in 0.510 s. If the average…

A: Given data :                   Current ,                               I1 = 3.60AI2 = 1.90A…

Q: A current i(t) = (2A/s)t flows through a conducting coil which results in an emf of 5 = -6V.What is…

A: solution as

Q: When the current through an inductor is decreasing at a constant rate of 0.5A/s, the magnitude of…

A:

Q: A coil of wire contains three loops. If the magnetic flux through the coil changes from - 45 Wb to…

A: Given that-Number of loops=3Initial flux, ϕ1= 45 WbFinal flux, ϕ2= +52 WbTime, dt= 0.36 sec

Q: A conducting coil, with current i(t) = 5.40e -0.0250 sin(120mt), withi in amperes and t in seconds,…

A: The emf induced in a coil 2 due to a current carrying coil 1 is given by the formula, ε=-Mdidt…

Q: dI A coil with a self-inductance of 4.5 H carries a current that decreases at a uniform rate =…

A:

Q: A 10 H inductor carries a current of 20 A ch ice at 0°C could be melted by the energy stored in…

A: Latent heat is the energy absorbed or released by a substance during a change in its physical state…

Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…

A:

Q: An electric current flows through a coil with an inductance of 15.3 mH. The graph shows the…

A: Given Inductance L = 15.3 mH = 15.3 × 10-3 H Time period of current T = 20 ms = 20 × 10-3 s Peak…

Q: A thin coil has 12 rectangular turns of wire. When a current of 1.7 A runs through the coil, there…

A:

Q: Two coils have a mutual inductance of 2.34 x 10 H. The current in the first coil increases at a…

A:

Q: A circular coil of radius 5.0 cm and resistance 0.20 Ω is placed in a uniform magnetic field…

A:

Q: The current in a coil changes according to the formula: I = 0.5 − 0.2 t where t is in seconds and I…

A:

Q: An electric current flows through a coil with an inductance of 6.7 mH. The graph shows the…

A:

Q: The magnetic flux through a coil is 2.50 mWb.  The current in the coil is 1.00 A and has 100 turns…

A:

Q: How many turns of wire are needed to produce an inductance of 100 mH if the length of the coil is 30…

A:

Q: A solenoid is made from a wire wound around a tube 36.0 cm long having a diameter of 8.00 cm. If…

A: