What is the resistance of a 6.4 m length of nichrome wire that
has a radius of 0.321 mm? How much current does it carry when
connected to a 120 V source?
R = _______ Ω
I = __________ A
What is the resistance of a 6.4 m length of nichrome wire that has a radius...
PRACTICE IT Use the worked example above to help you solve this problem. (a) Calculate the resistance per unit length of a 44 gauge nichrome wire of radius 0.642 mm. 12/m (b) If a potential difference of 10.7 V is maintained across a 1.00 m length of wire, what is the current in the wire? (c) The wire is melted down and recast with triple its original length. Find the new resistance RN as a multiple of the old resistance...
A piece of Nichrome wire has a radius of 5.50 10-4 m. It is used in a laboratory to make a heater that uses 3.00 102 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.
Spes A nichrome wire has a length of 10.0 m and a resistance of 5.000. What is the radius of the wie Reity of nichrome is 1"10"Om. In mm, 1 significant figure
004 (part 1 of 2) 10.0 points Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.16 mm. The resistivity of nichrome is 1.5x 10-6 Ω . m. Answer in units of Ω/m. 005 (part 2 of 2) 10.0 points If a potential difference of 17 V is maintained across a 7.1 m length of the nichrome wire what is the current in the wire? Answer in units of A
Nichrome wire of cross-sectional radius 0.757 mm is to be used in winding a heating coil. If the coil must carry a current of 8.25 A when a voltage of 3.00 102 V is applied across its ends, find the following. (a) the required resistance of the coil Ω (b) the length of wire you must use to wind the coil m
Nichrome wire of cross-sectional radius 0.777 mm is to be used in winding a heating coil. If the coil must carry a current of 8.50 A when a voltage of 2.10 ✕ 102 V is applied across its ends, find the following. (a) the required resistance of the coil 24.7 Ω (b) the length of wire you must use to wind the coil m.
004 (part 1 of 2) 10.0 points Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.443 mm. The resistivity of nichrome is 1.5 x 10-6 Ω . m. Answer in units of Ω/m. 005 (part 2 of 2) 10.0 points If a potential difference of 12 V is maintained across a 9.4 m length of the nichrome wire, what is the current in the wire? Answer in unis of A
Question (part 1 of 2) Your respons Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.115 mm. The resistivity of nichrome is 1.5x 10-6 Ω . m. Answer in units of Ω/m Question (part 2 of 2) Your response.. If a potential difference of 15 V is main tained across a 5.3 m length of the nichrome wire, what is the current in the wire? Answer in units of A
A piece of Nichrome wire has a radius of 6.6 x 10-4 m. It is used in a laboratory to make a heater that dissipates 4.90×102 W of power when connected to a voltage source of 110 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.
A piece of Nichrome wire has a radius of 5.1 x 10-4 m. It is used in a laboratory to make a heater that dissipates 4.70×102 W of power when connected to a voltage source of 140 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.