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A perfectly conducting filament containing a 250Ω resistor is formed into a square as shown in fig.
Que: If B = 6 cos (120πt  30^{0} )u_{z }T, then the value of I(t) is
A perfectly conducting filament containing a 250Ω resistor is formed into a square as shown in fig.
Que:
If B = 2 cosπ(ct  y) u_{z} μT, where c is the velocity of light, then I(t) is
Consider the fig. The rails have a resistance of 2 Ω/m. The bar moves to the right at a constant speed of 9 m/s in a uniform magnetic field of 0.8 T. The bar is at x = 2 m at t = 0.
Que: If 6 Ω resistor is present across the leftend with the right end opencircuited, then at t = 0.5 sec the current I is
Consider the fig. The rails have a resistance of 2 Ω/m. The bar moves to the right at a constant speed of 9 m/s in a uniform magnetic field of 0.8 T. The bar is at x = 2 m at t = 0.
Que: If 6 Ω resistor is present across each end, then I at 0.5 sec is
The internal dimension of a coaxial capacitor is a = 1.2 cm, b = 4 cm and c = 40 cm. The homogeneous material inside the capacitor has the parameter ε = 10^{11} F/m, μ = 10^{}^{5}H/m and σ =10^{}^{5 }S/m.The electric field intensity is
Que: The current density J is
The internal dimension of a coaxial capacitor is a = 1.2 cm, b = 4 cm and c = 40 cm. The homogeneous material inside the capacitor has the parameter ε = 10^{11} F/m, μ = 10^{}^{5}H/m and σ =10^{}^{5 }S/m.The electric field intensity is
Que: The quality factor of the capacitor is
The following fields exist in charge free regions
The possible electromagnetic fields are
A parallelplate capacitor with plate area of 5 cm^{2 }and plate separation of 3 mm has a voltage 50 sin (10^{3} t) V applied to its plates. If ε_{r} = 2, the displacement current is
In a coaxial transmission line (ε_{r} = 1), the electric field intensity is given by
The displacement current density is
Consider the region defined by x,y and z < 1. Let ε = 5ε_{0} , μ = 4μ_{o} and σ = 0 the displacement current densityJ_{d} = 20cos(1.5 x 10^{8} t  ax)u_{y} μA/m^{2}. Assume no DC fields are present.
Consider the region defined by x,y and z < 1. Let ε = 5ε_{0} , μ = 4μ_{o} and σ = 0 the displacement current densityJ_{d} = 20cos(1.5 x 10^{8} t  ax)u_{y} μA/m^{2}. Assume no DC fields are present.
Que: The magnetic field intensity is
Consider the region defined by x,y and z < 1. Let ε = 5ε_{0} , μ = 4μ_{o} and σ = 0 the displacement current densityJ_{d} = 20cos(1.5 x 10^{8} t  ax)u_{y} μA/m^{2}. Assume no DC fields are present.
Que: The value of α is
Let H = 2cos(10^{10}  βx) u_{z} A/m, μ = 3 x 10^{5} H/m, ε = 1.2 x 10^{10} F/m and σ = 0 everywhere.
Que: The electric flux density D is
Let H = 2cos(10^{10}  βx) u_{z} A/m, μ = 3 x 10^{5} H/m, ε = 1.2 x 10^{10} F/m and σ = 0 everywhere.
Que: The magnetic flux density B is
A material has σ = 0 and ε_{r} = 1. The magnetic field intensity is H = 4cos ( 10^{6}t  0.01z)μ_{y} A/m.
Que: The electric field intensity E is
A material has σ = 0 and ε_{r} = 1. The magnetic field intensity is H = 4cos ( 10^{6}t  0.01z)μ_{y} A/m.
Que: The value of μ_{r} is
The surface ρ = 3 and 10 mm, and z = 0 and 25 cm are perfect conductors. The region enclosed by these surface has μ = 25 x 10^{6} H/m, ε = 4 x 10^{11} F/m and σ = 0. If H = 2/ρ cos8πz cosωt u_{ø} A/m, then the value of ω is
For distilled water μ = μ_{o} , ε = 81ε_{o} and σ = 2 x 10^{3 }S/m, the ratio of conduction current density to displacement current density at 1 GHz is
A conductor with crosssectional area of 10 cm^{2 }carrier a conductor current 2sin (10^{9} t) mA. If σ = 2.5 x 10^{6} S/m and ε_{r} 4.6 the magnitude of the displacement current density is
In a certain region
If volume charge density ρ_{v} in z = 0 plane is zero, then ρ_{v} is
23 docs285 tests

23 docs285 tests
