Electricity Sample Questions for Class 10
Question 1
Which of these elements is the best conductor of electricity?
A. Br
B. Ni
C. S
D. N
Question 2
Which elements are poor conductors of electricity and heat?
A. metals
B. nonmetals
C. metalloids
D. actinides
Question 3
If a circuit is open, does it waste electricity?
A. No, since the circuit is open, no electricity is flowing.
B. Yes, since the circuit is open, no electricity is flowing.
C. No, since the circuit is closed, no electricity is flowing.
D. Yes, since the circuit is open, electricity is flowing.
Question 4
Beryllium is a weak conductor of heat and electricity.
A. True
B. False
Question 5
Electricity only flows through wires.
A. True
B. False