Find the change in magnetic flux bod associated with the coil in 25 sec. Given: Induced e.m.f. = 2 × 10³ V
Q: A square coil of resistance 3 Ω, 70 turns and side length 5 cm is placed with its plane making an…
A: Faraday's law states that, The induced emf in a coil is defined as the negative of the rate of…
Q: a 0.8T bar magnet is pushed through a 50.5 turn coli with an area of 0.002m2 in 3.4sec. The
A: Given No of turns = 50.5 Magnetic field B = 0.8 T Area A = 0.002 m2 Time ∆t = 3.4 sec
Q: A coil consisting of 800 turns, very closely spaced, has an inductance of 4mh and a current of…
A:
Q: A circular coil of 100 turns and diameter 24 cm is rotated continuously in a uniform magnetic field…
A: We need to compute- Maximum emf induced in the coil (e0)=? Instantaneous induced emf (e)=? The data…
Q: A long piece of wire of mass 0.086kg and total length of 4.43m is used to make a square coil with 63…
A: The coil is in equilibrium when the magnetic torque (τmagnetic) equals the gravitational torque…
Q: The varying magnetic flux of ϕ = 10et + 50 Wb is placed perpendicular to the plane of 50 turns coil.…
A: Write the given values with the suitable variables. ϕ=10et+50 WbN=50t=0.001 s Here, ϕ, N, and t are…
Q: The magnetic flux associated with a coil changes by 5 x 102 Wb in 25 seconds. Find the e.m.f.…
A: To find-Emf induced in a coil (e)=?Given-dϕ=5×10-2 Wbdt=25 sec
Q: A straight conductor of length ?l moves with an acceleration ?=0.1a=0.1 ms-2 at the right angle to…
A: The given data are: a=0.1 m/s2B=11.1 Tϵ=5 Vt=20 s Here, a denotes the acceleration, ϵ denotes the…
Q: The current in a long solenoid of radius 7 cm and 17 turns/cm is varied with time at a rate of 6…
A:
Q: wire loop with a resistance of 2.5 ohms and a radius of 0.255m is places in a magnetic field that…
A: Given resistance of wire = 2.5 ohms radius of wire = 0.255 m B(t)=0.25e^(-.5t) We have to…
Q: The magnetic flux associated with a coil changes from zero to 6 x 102 Wb in 0.6 sec. Find the…
A: To find-Average induced emf (e)=?Given-ϕ1=0ϕ2=6×10-2 Wbt=0.6 sec
Q: 29.23. A solenoid of length 30 cm and diameter 4 cm is closely wound with 400 turns of wire around a…
A: Length of solenoid (L) = 30 cm = 0.3 m diameter = 4 cm Number of turns (N) = 400 Current (I) = 6 A
Q: Rectangular Coil A rectangular coil with 6000 tums that has a resistance of 2.102 is coplanar with a…
A:
Q: Find the current induced in the coil
A: Induced current in the loop is 0.0244 A Explanation is in steps below :
Q: A 16.7 turn conductive loop with an enclosed are of 0.53 m2 exists in the plane of the page. A…
A: Using Faraday’s law of electromagnetic induction, the emf (e) induced is given by, Here, N denotes…
Q: The magnetic flux associated with the coil changes from zero to 6 x 10 Wb in 10 sec. Calculate…
A: To find-Induced emf (e)=?Given-ϕ1=0 Wbϕ2=4×10-4 WbTime (t)=10 sec
Q: A single-turn conducting loop is stationary inside a magnetic field and the magnetic field increases…
A: We have to know about magnetism.
Q: an electric field of 143x10^-6v/m is induced within the loop of long solenoid with cross sectional…
A: Given, The induced electric field, E= 143x10-6 Vm Area (A) =6.69 cm2 Radius(R) =2.12 cm =2.12×10-2 m…
Q: A coil having an area 2m² is placed in a magnetic field which changes from 1Wb/m² to 4Wb/m² in an…
A: Given: Area, A= 2 m2change in time, ∆t= 2 sec
Q: S - Pm The magnetic flux through the loop shown in the accompanying figure varies with time…
A: Given,ϕm=ϕ0 e-αt sinωt ----(1)where,ϕ0=5×10-3 T m2α = 4 s-1.ω=120 π rad/s.R=5 Ω.The magnitude and…
Q: The magnetic flux associated with the coil changes by 32 x 102 Wb in 20 seconds. Find the e.m.f.…
A: To find-Induced emf (e)=?Given-Magnetic flux (dϕ)=32×10-2 WbTime (dt)=20 sec
Q: The magnetic flux associated with the coil changes from zero to 6 x 10 Wb in 10 sec. Calculate…
A: To Find: induced e.m.f. (e) Given: ϕ1=0 Wbϕ2=4×10-4 Wb Time (t) = 10 sec
Q: The magnetic flux associated with the coil changes from zero to 6 x 10 4Wb in 10 sec. Calculate…
A: To find-Induced emf (e)=?Given-ϕ1=0 Wbϕ2=4×10-4 WbTime (t)=10 sec
Q: A large electromagnet is made of a thin iron torus of radius r and permeability µ = 10³ μ are which…
A: An area surrounded by magnetic force is called the magnetic field. Magnetic fields can be generated…
Q: The magnetic flux associated with a coil changes from zero to 6 × 10 ² Wb in 0.6 sec. Find the…
A:
Q: 3. A uniform magnetic ficld is given by B = btk where b = 0.35 T/s. Find the induced current in a…
A:
Q: A flat coil of 500 turns each of area 50 cm-rotates in a uniform magnetic field of 0-14 Wb/m2 at an…
A:
Q: A circular coil of 300 turns and average area 5 x 10- 3 m² carries a current of 15 A. Calculate the…
A: To find-Magnitude of magnetic moment (M)=?Given-n=300 turnsI=15 AA=5×10-3 m2
Q: In a solenoid of length 1 = 10 cm with 1941 turns per meter the current creates the field B = 70 µT.…
A: Length of solenoid l= 0.10 m number of turn N= 1941 per meter number of turns in l = 1941 x 0.10…
Q: A cycle wheel has 10 spokes each of length 0.5m long is rotated at a speed of 18 km/hr in a plane…
A: To find-Emf induced between (a) axle and the rim of cycle wheel (e1)=?(b) ends of single spoke and…
Q: A square coil of resistance 3Ω, 70 turns and side length 5cm is placed with its plane making an…
A: Here, we use the induced emf formula to calculate thu current induced in the coil.
Q: (i) magnetic flux of the loop at t = 2.0 s. (ii) magnitude of the emf produced in the loop at t= 2.0…
A: Given magnetic flux of a loop at any instant of time t is in terms of unit Webers. i) put t=2.0s in…
Step by step
Solved in 2 steps