A conductor of radius r,length
And resistivity ρ has resistance R.It is melted down and formed into a new conductor,also cylindrical,with one fourth the length of the original conductor.The resistance of the new conductor is
A) R
B) R
C) R
D) 4R
E) 16R
Correct Answer:
Verified
Q21: A copper cable is to be designed
Q22: In the Drude model of electrical conduction,
Q23: To increase the current density in a
Q24: The heating coil of a hot water
Q25: Light bulb A is rated at 60
Q28: Jadeen says that you can increase the
Q29: Jadeen says that you can increase the
Q30: What is the resistance of 1 000
Q32: A high-voltage transmission line carries 1 000
Q34: A cook plugs a 500 W crockpot
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents