- (A) generating very strong magnetic field
- (B) manufacture of bubble memories
- (C) generating electrostatic field
- (D) generating regions free from magnetic field
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- (A) Copper
- (B) Aluminium
- (C) Steel reinforced copper
- (D) Steel reinforced aluminium
- (A) highest conductivity
- (B) lowest temperature co-efficient
- (C) good mechanical strength
- (D) good corrosion resistance
- (E) easy solderable and drawable qualityF. all of the above
- (A) 2
- (B) 4
- (C) 6
- (D) 8
- (A) gold
- (B) copper
- (C) aluminium
- (D) kanthal
- (A) less than that of unbounded electron
- (B) greater than that of unbounded electron
- (C) equal to that of unbounded electron
- (D) infinite
- (E) none of the above
- (A) copper
- (B) aluminium
- (C) both (A) and (B)
- (D) copper and silver
- (E) platinum and gold
- (A) zero conductivity
- (B) unity conductivity
- (C) infinite conductivity
- (D) none of the above
- (A) a ceramic body having metal and caps
- (B) a wire of platinum
- (C) a heavy cross-section of copper or aluminium
- (D) a ceramic tube having carbon rod inside it
- (A) electric field
- (B) magnetic field
- (C) electromagnetic field
- (D) none of the above
