Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Current Electricity
Which of the following groups is a good conductor of heat?
1
Sand, wood and silver
2
Steel, copper and aluminum
3
Iron, wood and copper
4
More than one of the above
5
None of the above