You apply a potential difference of 4.3 V between the ends of a wire that is...
A potential difference of 100 V is maintained across the two ends of a nickel wire of radius 2 mm and length 10 m. Calculate (a) the electric field intensity, (b) the current density, and (c) the electric current through the wire
A 5.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 85-cm-long nichrome wire. What is the current in the wire? resistivity of nichrome is 1.5*10^-6 (I think, if im wrong use something else)
The potential difference between the two ends of a conducting wire is 20.0 V and the current through the wire is 4.00A. a) What is the resistance of the wire? b) How much power is being dissipated in the wire?
There is a potential difference of 1.9 V between the ends of a 20 cm long graphite rod that has a cross-sectional area of 1.3 mm^2. The resistivity of graphite is 7.5 x 10^-6 ohm-m. Find the resistance of the rod. Find the current. Find the electric field inside the rod.
A 8.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 90-cm-long nichrome wire. What is the current in the wire?
A 7.5 V potential difference is applied between the ends of a 0.70-mm-diameter, 50-cm-longnichrome wire. What is the current in the wire? Express your answer using two significant figures.
A 2.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 80-cm-long nichrome wire. Part A What is the current in the wire? Express your answer using two significant figures.
When a potential difference of 12 V is applied to a wire 6.6 m long and 0.32 mm in diameter the result is an electric current of 2.1 A . What is the resistivity of the wire?
When a potential difference of 12 V is applied to a wire 6.6 m long and 0.33 mm in diameter the result is an electric current of 2.0 A . 1. What is the resistivity of the wire?
There is a potential difference of 1.1 V between the ends of a 10 cm long graphite rod that has a cross-sectional area of 0.90 mm2. The resistivity of graphite is 7.5 x 10-6 2-m (a) Find the resistance of the rod. (b) Find the current (c) Find the electric field inside the rod