Mixed Circuit - Find all the currents and potential differences in the following circuit.
Resistance and resistivity of a wire connected in series.
- Calculate the resistance and resistivity of a wire 6.24m long with a diameter of 2.00mm and a current of 0.500A when connected to a battery of five 1.5V dry cells in series.
Working with the variation of resistance in regards to temperature. - (a) A 5 m length of copper wire at 20°C has a radius of 0.25mm. If a potential difference of 10V is applied across the length of the wire, determine the current in the wire.
(b) If the wire is he ...
Electric Current - What is the potential difference across one wire of a 30-m extension cord made of 16-gauge copper wire carrying of 5 A?
resistance - 1. An ammeter registers 2.5 A of current in a wire that is connected to a 9.0 V battery. What is the wire's resistance?
2. A small electronic device is rated at 0.25 W when connected to 12 ...