The deflection of the magnetic needle shows that electric current is flowing through the wires. The circuit is complete since the free ends of the tester are dipped into a solution. Also, the solution is a good conductor of electricity. So, the magnetic needle shows deflection.
Answer:
The deflection of the magnetic needle shows that electric current is flowing through the wires.
The circuit is complete since the free ends of the tester are dipped into a solution.
Also, the solution is a good conductor of electricity
.So, the magnetic needle shows deflection
[tex]\large{\pmb{\underline{\underline{\sf{Answer~ -}}}}}[/tex]
The deflection of the magnetic needle shows that electric current is flowing through the wires. The circuit is complete since the free ends of the tester are dipped into a solution. Also, the solution is a good conductor of electricity. So, the magnetic needle shows deflection.