181. Which of the following figure represents a ferrimagnetic material?
     
     
     

1. 1. Fig. A

   
   
   

   2. Fig. B

   
   
   

   3. Fig. C

   
   
   

   4. Fig. D

   
   
   

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   NA

   Correct Option: B

   NA

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182. Material with lowest temperature coefficient:

1. 1. Kanthan

   
   
   

   2. Nichrome

   
   
   

   3. Nickle

   
   
   

   4. Copper

   
   
   

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   NA

   Correct Option: B

   NA

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183. Material with lowest temperature coefficient:

1. 1. Aluminium

   
   
   

   2. Copper

   
   
   

   3. Gold

   
   
   

   4. Silver

   
   
   

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   NA

   Correct Option: C

   NA

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184. Material with highest resistivity:

1. 1. Kanthal

   
   
   

   2. Nichrome

   
   
   

   3. Manganin

   
   
   

   4. Tantenum

   
   
   

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   NA

   Correct Option: A

   NA

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185. The connecting leads of an IC are made of:

1. 1. Silicon

   
   
   

   2. Germanium

   
   
   

   3. Aluminium

   
   
   

   4. Carbon

   
   
   

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   The connecting leads of an IC are made of aluminium.

   Correct Option: C

   The connecting leads of an IC are made of aluminium.

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