All India SSC JE 2017 Electrical Engineering - Quiz 22

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Question 1

Two conductors are carrying forward and return current of +I and –I as shown in Fig. The magnetic field intensity at point P is

• A
• B
• C
• D

Question 2

An inductor of 0.3125 H, is in steady state condition & carries a current of 2.28 Amp in their circuitry, then how much amount of Magnetic Energy stored in the inductor 

• A0.812 Joule
• B0.712 Joule
• C0.612 Joule
• D0.512 Joule

Question 3

Given two coupled inductors L₁ and L₂, their mutual inductance M satisfies

• A
• B
• C
• D

Question 4

The undesirable property of an electrical insulating material is

• Ahigh dielectric strength
• Bhigh relative permittivity
• Chigh thermal conductivity
• Dhigh insulation resistivity

Question 5

The energy in poynting theorem is explained as:

• AΔ×B=μ_oJ + ε_oμ_o ∂E/∂t
• BΔ×B=ε_oμ_o ∂E/∂t
• CΔ×B=μ_oJ
• DΔ×B=μ_oJ∂E/∂t

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