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1759.
Match List-I with List-II and select the correct answer using the codes given below the Lists: (Symbols have the usual meanings)
a. A→2, B→1, C→4, D→3List I
A. Poisson’s equation
B. Laplace’s equation
C. Joule’s equation
D. Helmholtz’s equationList II 
b. A→3, B→4, C→1, D→2
c. A→3, B→1, C→4, D→2
d. A→2, B→4, C→1, D→3
asked in Electrical Paper-1, 1997
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1763.
Match List-I (Phenomena) with List-Il (Reasons) and select the correct answer using the codes given below the lists:
a. A→3, B→1, C→2, D→4List I
A. Force on a unit north pole due to
current
B. Flux density intensity relation in a magnetic material
C. Force of attraction between a current carrying conductor and a magnetic slab
D. Identically zero magnetic field outside
a coaxial cableList II
1. Magnetic Polarization
2. Maximization of magnetic lines of
force
3. Work done along a closed path is equal to
total current flow
4. Force between magnetic elements
b. A→4, B→1, C→2, D→3
c. A→3, B→2, C→1, D→4
d. A→4, B→2, C→1, D→3
asked in Electrical Paper-1, 1997
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1764.
