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Ohm's Law

A piece of wi...

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A piece of wire is cut into four equal parts and the pieces are bundled together side by side to form a thicker wire. Compared with that of the original wire, the resistance of the bundle is

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Q. A wire is cut in to

4

pieces, which are put together by sides to obtain one conductor. If the original resistance of wire was

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, the resistance of the bundle will be:

Q. A piece of conducting wire of resistance

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2 n

equal parts. Half the parts are connected in series to form a bundle and remaining half in parallel to form another bundle. These bundles are then connected to give the maximum resistance. The resistance of the combination is:

Q. A piece of wire having equal resistance R is cut into 4 equal parts
1) compare resistance of each part with resistance of original wire
2) if 4 parts are connected in parallel, compare equivalent resistance with resistance of original wire.

A piece of wire having resistance 'R' is cut into four equal parts.

a) How does the resistance of each part compare with the original resistance?

b) If the four are placed in parallel, how will the resistance of combination compare with the resistance of the original wire.

Q. The resistance of a wire of

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