Question

State true or false
a) A wire carrying current also shows magnetic properties.
b) A solenoid behaves like an electromagnet when electric current passes through it.
c) Electromagnets are based on the heating effect of electric current.
d) Weathering is the process of breaking down of rocks into smaller pieces .
e) Cutting of trees on large scale is known as afforestation.​

Answer 1

(a) :false

(b) :true

(c) :false

(d) :true

(e) :false