Rahul connected the two wires in parallel and observe that Total resistance decreases. Justify.

Rahul connected the two wires in series and observe that total resistance increases. Justify.

10 wires (same length, same area, same material) are connected in parallel and each has 1Omega resistance, then the equivalent resistance will be

There are 8 equal resistances R . Two are connected in parallel, such four groups are connected in series, the total resistance of the system will be

Two resistance are in the ratio 1:4. if these are connected in parallel, their total resistance becomes 20 ohm. Find the value of each resistance

Two identical bulbs of equal power are connected in parallel and they totally consume 110W at 220V .The resistances of each bulb is

Two identical bulbs of equal power are connected in parallel and they totally consume 110W at 220V . The resistances of each bulb is

Two identical bulbs of equal power are connected in parallel and they totally consume 110W at 220V . The resistances of each bulb is

Two wires of lengths _(l) and 2l with resistivity of rho and 3 rho respectively are connected in parallel.What is the equivalent resistance of the two wires if they have the same area of cross-section