Which one of the following is an insulator for electricity but a conductor for heat?
مندرجہ ذیل میں سے کون سا بجلی کے لئے انسولیٹر ہے لیکن گرمی کے لئے ایک موصل؟
Answer: Diamond
Explanation
Diamond is an excellent conductor of heat due to strong covalent bonding and crystal structure.
It is a strong electrical insulator because it lacks free electrons to carry current.
This question appeared in
Past Papers (5 times)
ETEA 25 Years Past Papers Subject Wise (Solved) (2 times)
ETEA Past Papers (1 times)
KPK Teacher Past Papers SST PST CT TT PET (2 times)
This question appeared in
Subjects (1 times)
EVERYDAY SCIENCE (1 times)
Related MCQs
- Which of the following is a good conductor of heat but a bad conductor of electricity?
- Which of the following is a conductor of electricity?
- Which metal is the best conductor of electricity?
- Which one of the following will be good conductor of electricity?
- Which one of the following is the best heat conductor?
- Which among the following is a good conductor of heat?
- Heat transform from hotter area of conductor to colder area through the process of ______?
- A student investigates an object that is shiny, bends easily and conducts heat and electricity. The object is a _____?
- The heat of sublimation of potassium is 98kJ/mol, the heat of dissociation of bromine gas is 192.5 kJ/mol. The ionization energy of K is 414 kJ/mol. The electron affinity of Br is -334.7 kJ/mol and the heat of formation of KBr is -405.8 kJ/mol. Calculate the lattice energy of KBr
- Most ____ are ectothermic, absorbing external heat as the main source of body heat.