Part A - Rank the block (largest to smallest) based on its electrical resistance

Question

Part A - Rank the block (largest to smallest) based on its electrical resistance along the three illustrated coordinate directions (x, y, and z).

Answer just needs to say in which order - for example x, y, z....z,y,x.....doesn't need any quant work.

Part B.

If all of the dimensions of the block double (to become 20 cm wide, 8 cm tall, and 6 cmdeep), what happens to the resistance along each axis?

The resistance quadruples.The resistance doubles.The resistance stays the same.The resistance is halved.The resistance is quartered.

Explanation / Answer

a) y z x

b) halved

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