how will you connect three dry cells , each of 1.5 volts , to get batteries of 1.5 volts , 3.0 volts & 4.5 volts? you have to use all the three cells?
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First take a cell and place it on a sheet etc,
in +, - position now take another cell and place on the same sheet in +, - position and the 3 cell also in +, - position now place a wire on + position of 1️⃣ cell and a wire on - position of the last cell it would look as +,-;+, -;+, - and we know that if you place it as +, -; -, +; +, - the instrument would not glow and 1️⃣. 5️⃣ +1️⃣. 5️⃣ +1️⃣. 5️⃣ = 4.5 v and for 3v remove ❌ a cell comment on answer what you want to glow
in +, - position now take another cell and place on the same sheet in +, - position and the 3 cell also in +, - position now place a wire on + position of 1️⃣ cell and a wire on - position of the last cell it would look as +,-;+, -;+, - and we know that if you place it as +, -; -, +; +, - the instrument would not glow and 1️⃣. 5️⃣ +1️⃣. 5️⃣ +1️⃣. 5️⃣ = 4.5 v and for 3v remove ❌ a cell comment on answer what you want to glow
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