- (A) 2n2
- (B) 4n2
- (C) 2n3
- (D) 4ns
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- (A) malleability
- (B) toughness
- (C) softness
- (D) none of the above
- (A) Proton
- (B) Neutron
- (C) Electron
- (D) None of the above
- (A) Zero
- (B) 10 V
- (C) 1 V
- (D) 1 V
- (A) Voltage
- (B) Current
- (C) Voltage as well as current
- (D) None of the above
- (A) Is inexpensive
- (B) Is mechanically strong
- (C) Has small leakage current
- (D) Is tetravalent
- (A) Equal to
- (B) Less than
- (C) Greater than
- (D) None of the above
- (A) Breakover voltage
- (B) Appropriate anode current
- (C) Appropriate gate current
- (D) None of the above
- (A) decreasing its temperature
- (B) increasing its temperature
- (C) decreasing its vibration
- (D) increasing its vibration
- (A) the crystal structure having no atomic vibration at 0°K
- (B) all electrons interact in the super-conducting state
- (C) the electrons jump into nucleus at 0°K
- (D) none of the above

