railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrician and Wireman Electronic Devices and Circuits Conductors and Insulators
Choose the correct matching of Group A & B
|
A |
B |
|
1) Porcelain |
A) Conductor |
|
2) Copper |
B) Cooling medium |
|
3) Transformer Oil |
C) Semi-conductor |
|
4) Silicon |
D) Insulator |
1
1 - B, 2 - A, 3 - C, 4 - D
2
1 - D, 2 - A, 3 - B, 4 - C
3
1 - D, 2 - B, 3 - C, 4 - A
4
1 - B, 2 - A, 3 - D, 4 - C