Question

generally artificial pace maker made up of -

(1) nickel

(2)dry cadmium

(3)photo sensitive material

(4)lithium​

Answer 1

$\large{\underline{\underline{\mathbf{Answer:-}}}}$

★ generally artificial pace maker made up of "lithium".

option (4) is the right answer

___________________________

Answer 2

1) nickel.......

it's guysed answer.✌️✌️✌️