Teaching DSSSB TGT Mock Test 2025 Physics Current, Resistance and Electricity Resistance and Resistivity
Two heating wires of equal lengths are first connected in series and then in parallel. The ratio of heat produced in two cases is
1
2 ∶ 1
2
1 ∶ 4
3
1 ∶ 2
4
4 ∶ 1