Figure 3. Given the area of the coil is 0.15 m². Calculate the induced emf in this coil, if the magnetic field increases from 0.002 T to 0.005 T in 0.9 s. Coil 40 Figure 3 (ii) List two (2) applications of mutual induction.

Q: Show that vector Å = 4î - ĵ + 2k and B = i+2 j- k are perpendicular. %3D

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Q: O. Add the following vectors: 5mE;7.5mS60°w;10mN; 3.5m35°N of W.

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A: (a) Given:  OA=OB=1m, I=8A Refer to the figure below :

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Q: Derive equation.

A: ASSUMPTIONS MADE IN DERIVING THE PROOF:SOLUTION:

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A: According to the first law of thermodynamics, ∆U=Q-W…

Q: 16-20 A motorcyclist heads 267 m/s, 35.76° N of W and then it changes its direction heading 46 m/s…

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Q: 11 Given the vectors A, B and C. Find the following: A = 3t + 5j - 2k; B = −4i + 2j + 3k ; C = 5t −…

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Q: Q(2) Consider the two vectors A= 31 - B =-i-4j, Calculate the angle between vectors A) 146" B) 47,7…

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Q: Q/'a b c,a#*ß=y 90 a a а By a

A: Introduction: The smallest group of symmetrically aligned atoms which can be repeated in an array to…

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Q: Find the direction of the Force: V B

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Q: III. Determine the location of North and South Poles

A: Solution:We know that the magnetic field lines emerge from the north pole and move towards South…

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A: curl of  vector B in cylindrical coordinate system is given by,∇→ ×B→=1ρ∂Bz∂φ-∂Bφ∂zaρ^…

Q: 3. Find the divergence and curl of the following, with r the usual position vector and u a constant…

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Q: F2 = 125 N %3D 3 20% 60° 45° 60° F = 400 N %3D

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Q: (Ảx C) · (Ć × B) given the following vectors: Find A = 21 + 5j B = -31 – }+ 2k Ĉ = 1 + 4j A 51 B В…

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Q: AB+ AC 6. Consider the triangle ABC and the point O defined by AO= 3 BC. Prove that AM = 1=²40. A .…

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Q: Find (Äx C) · (Č×B) given the following vectors: Ả = 21 + 5J B = -31 – 1+ 2k Ĉ = 1 + 4J ... Hide…

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A: The given expression can be written as below,

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Q: 2-115. Determine the magnitude of the projection of the force F, along cable AC. F 40 N 4 m 70 N 2m…

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Q: Prove A is perpendicular to A×B [Assume A=Ax i + Ay j +Az k, B=Bx i + By j +Bz k]

A: Solution:-Given thatProve A is perpendicular to A×B

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Q: Q2 Compute the curl of the vector field F(r,o,0) =res+ cot o ee in spherical coordinates.

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Q: B = 107 t Yo = 720s 3.5 km Y= Yo⋅ exp(B.t) Show how the above formula ic Calculate belo- oys used.

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Q: directed

A: The forces can be represented as,

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Q: Calculate the vector bxa when a = 3i+ 4j -3k and b =i+ 3j + 2k Answer: i+ j+ k

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Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention.