CBSE X Physics Electricity
A certain wire has a resistance R. The resistance of another wire identical with the first and having twice its diameter is
a)2R
b)4R
c)0.5R
d)0.25R
A certain wire has a resistance R. The resistance of another wire identical with the first and having twice its diameter is
a)2R
b)4R
c)0.5R
d)0.25R
CBSE X Physics Electricity
Three resistors of 2Ω, 3Ω and 4Ω are connected in (a) series (b) parallel. Find the equivalent resistance in each case.
CBSE X Physics Electricity
Four 10 ohm resistors are connected to form a square .calculate the resistance between the opposite corners.
CBSE X Physics Electricity
sir can you explain me this question
A piece of resistance wire has a resistance 16 ohm.Its diameter is doubled.what will be the new" R"
A piece of resistance wire has a resistance 16 ohm.Its diameter is doubled.what will be the new" R"