the power dissipated by R1
Two wires A and B of the same material have lengths in the ratio 1 : 2 and radii in the ratio 2 : 1. The two wires are connected in parallel across a battery. The ratio of the heat produced in A to the heat produced in B for the same time is
20
Sep
Two wires A and B of the same material have lengths in the ratio 1 : 2 and radii in the ratio 2 : 1. The two wires are connected in parallel across a battery. The ratio of the heat produced in A to the heat produced in B for the same time is A [...]
A resistor R1 dissipates the power P when connected to a certain generator. If the resistor R2 is put in series with R1, the power dissipated by R1
20
Sep
A resistor R1 dissipates the power P when connected to a certain generator. If the resistor R2 is put in series with R1, the power dissipated by R1 A resistor R1 dissipates the power P when connected to a certain generator. If the resistor R2 is put in series with R1 the power dissipated by [...]