Teaching Rajasthan 3rd Grade REET Mains (Level I & II) Mock Test General Science Physics Current Electricity
Consider the following materials:
1. Chromium
2. Copper
3. Ebonite
Which of the above-given materials is/are good conductors of electricity?
1
1 and 2 only
2
2 Only
3
2 and 3 only
4
1 and 3 only