railway RRB Technician Grade 1 Mock Test 2024 Physics Current, Resistance and Electricity Potentiometer
The wires forming the free ends of a circuit consisting of a cell and a switch are connected to following wire one after another.
(A) : a wire of length 5 cm and thickness 3 mm
(B) : a wire of length 5 cm and thickness 7 mm
Which of the following is true ?
1
More heat will be produced in case of (A)
2
More heat will be produced in case of (B)
3
Equal amount of heat will be produced in case of both (A) and (B)
4
No heat will be produced in (A) and (B)