dumon

a wire has a resistance of 1 ohm if the length is increased four times and the area is double the original, find the new resistance of the wire.

if there are eleven resistors of 33k ohms each in parallel, what is the total resistance?

a heater wire length 50cm and a 1mm^2 in cross section carries a current of 2A when connected across a 2 V battery. what is the resistivity of the wire?

five resistors each has a resistance R ohms and are connected in parallel. if the equivalent resistance is 20 ohms. find the ohmic resistance of each resistors.

A given wire has a resistance of 17.5 ohms. If its length is 560 m, how much length must be cut-off from the wire in order to reduce its resistance to 10 ohms?

hevenin resistance Rth is found [ ] (A) by removing voltage sources and replace with their internal resistances (B) by short-circuiting the given two terminals (C) between any two open terminals (D) between same open terminals as for Eth

two identival 3v, 1 ohm batteries are connected in parallel with like polarity to like. the norton equivalent circuit of this combination is?