Determine the current density in the filament

Assignment Help Physics

Reference no: EM13249115

1) The electric field in a 1.4mm×1.4mm square aluminum wire is 3.0×10?2V/m .

2) The current in a 100 watt lightbulb is 0.770 A. The filament inside the bulb is0.190 mm in diameter.

A) What is the current density in the filament?

B) What is the electron current in the filament?

Reference no: EM13249115

Questions Cloud

Explain why the melting points of sodium halides very high : Why are the melting points of sodium halides very high and the melting points of silicon halides very low. Response should include descriptions of the bonding and refernce to the attractive forces that must be overcome in the two types of compound..

Why then did the employer prefer the council to the union : One of the techniques used by companies in the late 1800s to discourage union organizing was to create company unions. This case would seem to suggest that nothing about the workplace had changed in over 100 years. What decision do you think the j..

What are the different ways to measure performance : What are the different ways to measure performance of an employee?

Explain what is the molar concentration of the ammonia : If 18.5 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia

Determine the current density in the filament : The current in a 100 watt lightbulb is 0.770 A. The filament inside the bulb is0.190 mm in diameter, What is the current density in the filament

Explain the best description of the t2g orbitals in [cocn6]3 : Is the best description of the t2g orbitals in [CoCN6]3- bonding, non-bonding, or antibonding? Explain your choice.

Determine the most effective way that project metrics : Determine the most effective way that project metrics and portfolio management can facilitate Information management / Information Technology . Provide specific examples to support your respon

Find the minimum speed of the moving car : A loudspeaker in a parked car is producing sound whose frequency is 20680 Hz, what is the minimum speed of the moving car

Define balance each of the half reactions in acidic solution : Balance each of the half reactions in acidic solution a)Cu(s)>Cu^2+(aq) b)SO4^2-(aq)>SO3^2-(aq) c)BrO3^-(aq)>Br^-(aq) d)IO3^-(aq)>I2(s)

User Account

All Pages