Physics, asked by davidjannu1693, 1 year ago

A hot wire supplies 100kj in 10 minutes. What is the potential difference across the wire, when the current is 2a ?

Answers

Answered by hkrishnahazrape9rwv

3

current, I =2A
time=10min=10*60=600s
I=Q/T
2=Q/600
Q=1200

NOW, POTENTIAL DIFFERENCE=WORK/COULOMB
V=W/Q
V= 100/1200
v=1/12

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