State the effect of the number of coils of wire on the number of thumbtacks picked up.
Q: A 0.120 m radius, 486 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…
A:
Q: 1-24 Differentiate the axial scalar mag- netic potential of a solenoid of length L with N closely…
A:
Q: The 8quare wwire loop with Bides 0.5 m is placed with its plane ptps perpendiculanly to the magne…
A: To Find: Rate of change of magnetic induction dBdt = ? Given: Length of each side (l) = 0.5 m…
Q: Ex. 35: Two coils are connected in series in one gap of a meter bridge an null point is obtained in…
A: We need to find- Resistance of each coil (R1 and R2)=? The data given as- When R1 and R2 are in…
Q: Find an expression for the current in this circuit (including direction) given the following…
A: B→ = 40cos30πt-10π3yk^ mWb/m2B→ = 40×10-3cos30πt-10π3yk^ Wb/m2
Q: (II) An iron-core solenoid is 38 cm long and 1.8 cm indiameter, and has 780 turns of wire. The…
A: Given:- d= 1.8 cm N= 780 turns B= 2.2 T I= 48 A
Q: HOW DOES THE MAGNETIC FIELD STRENGTH 'B' RELATED WITH CURRENT IN THE COIL 'I'. O NONE OF THESE NO…
A:
Q: What is the direction of the induced current in each circular loop shown when the current I in the…
A: Here is the solution of your question:-Explanation:When the current in the long wire is decreasing,…
Q: 1) A 200-turns circular loop of radius 22 cm, carries a current of 28 A creates a torque of 250 Nm…
A:
Q: In a stationary field coil of 500 turns calculate the induced voltage produced by the following flux…
A:
Q: a circular coil of 100 turns and a radius of which a current of 20 amps flows. The ma
A: Given Current I = 20 A Number of turn =100 Radius r = 6 cm = 6 × 10-2 m A = π r2 = 3.14 × (6 ×…
Q: Find the current density as a function of distance r from the axis of a radially symmetrical…
A: Given that magnetic induction inside the steam is constant , B(r) = B0.…
Q: A football quarterback, to obtain good grades while strengthening his throwing arm, is asked to…
A: when a coil of N turn is rotated in a magnetic field then EMF generated in the coil is expressed as…
Q: Ex 60: A T.G. shows a deflection of 30° when a current of 50 mA is passing through its coil. Find…
A: We need to compute-Current (I2)=?The data given as-I1=50 mAθ1=300θ2=600
Q: The reay mechanem depicted below hashe owing parmeters: A0001 ar mete. Ns00 uL meter. he spring…
A:
Q: Consider a solenoid of length 0.1 m, having 361 loops . What current is necessary to produce a 2.5 T…
A:
Q: 0.290 m radius, 509 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…
A:
Q: Calculate the skin depth in a block of copper for an excitation frequency of 213 Hz given that it…
A:
Q: Consider the circuit in the figure below, taking E-6.00 V, L240 mt, and R3.40 n. (0)What is the…
A: (a) The inductive time constant. (b) Calculate the current in the circuit 250 μs after the switch is…
Q: (III) The current in an electromagnet connected to a 240-Vline is 21.5 A. At what rate must cooling…
A:
Q: 41 Find the current sensitivity of T.G. when the deflection is 60°. Given : number of turns = 50,…
A: Given that:- Deflection θ = 60o Number of turns (n) = 50 BH = 3×10-5 wb/m2 mean radius of coil (r) =…
Q: The radius of narrow toroid is 10- m and has 1000 turns of wire on it. How large current must flow…
A: Radius of toroid is R = 10- 1 m = 0.1 m Number of turns N = 1000 Magnetic induction B = 0.05 T
Q: (II) Suppose the electric field between the electric plates inthe mass spectrometer of Fig. 20–41 is…
A: Given information: The intensity of the electric field, E=2.88×104 V/m The magnetic field, B=B'=0.68…
Q: A 0.290 m radius, 489 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…
A: The induced emf is, ε=NABωHere,A=πr2,ω=π2 radt⇒ε=Nπr2Bπ2 radt
Q: Why M21 is called mutual inductance of two loops?
A: Mutual inductance: When two coils are brought close together, the magnetic field in one of them…
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: 32 The following information is given on the brushes used in the motor of Problem 31: number of…
A: Given no of brushes =2 current per brush =15A Resistivity of brush =0.0016ohm Brush pressure…
Q: (d) A magnetic field is given by B(z, t)= B ě,. Determine the emf it induces in a loop
A:
Q: A very large, superconducting solenoid such as one used in MRI scans, stores 1.00 MJ of energy in…
A: Given that, Store energy, E=1.00 MJ E=10^6 J Current, I=105 A Also ,…
Q: (iii) sketch a graph of magnetic flux density B versus magnetic field strength H for materials…
A: The force per unit length per unit current on a wire placed with right angle in the uniform magnetic…
Q: 1) A 225-turns circular loop of radius 20 cm, carries a current of 24 A creates a torque of 355 N m…
A: Given data: - The number of turns of a circular loop is n = 225 turns. The radius of loop is r =…
Q: Why does the conductivity of metals decrease with increase in temperature?
A: When the temperature of the metal increases, the ion bonds between the atoms weakens and the…
Q: A very long hollow cylindrical coil with a cross-sectional area of 70 cm? and the number of turns…
A:
State the effect of the number of coils of wire on the number of thumbtacks picked up.
Please make it 100% not plagiarized, ma'am/sir
Thank you
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
