Homework Statement
Along horizontal wire carries a current at 48 A. A second wire,made of 2.5 mm diameter copper wire and parallel to the first,is kept in suspension magnetically 15 cm below.Determine the magnitude and direction of the current in the lower wire.Is the lower wire in stable...
Why R2 should be brighter than before? When one bulb burns out in the parallel circuit it does not affect the other bulbs,so it should stay the same.Is that correct.
Homework Statement
1. 3 light bulbs are connected parallel in the circuit ,one of them burns out .How this affects the other bulbs.
2. We have combination of parallel and series circuit(3 bulbs) and one of them R3 burns out .
This gives us a series circuit with 2 bulbs .What happens to...
Homework Statement
a power station delivers 520kW of power to a factory through wires of total resistance of 3 ohms ,how much less power is wasted if the electricity is deliverd at 50,000V rather than 12,000V
Homework Equations
P=IV=I^R =V^/R
The Attempt at a Solution
I tried to...