Question

The circuit diagrams show a battery and a bulb connected by wires to various materials

In which circuit(s) will the bulbs light?
a)Circuit 1 only
b) Circuit 1 & 3 only
c) Circuit 1 & 2 only
d) Circuit 1 & 4only

Answer 1

$\huge\mathfrak\blue{Answer:-}$

It will be Option C >> Circuit 1 and 3 only.

$\huge\mathfrak\blue{Reason:-}$

As in circuit 1 and 3 , there are conducting substances that conduct electricity while others are insulators

In circuit 2