When a current of 4a passes through a certain resistor for 10 minutes, 2.88x 10 j of
heat is produced. Calculate: (3)
(a) the power of the resistor
(b) the voltage across the resistor?
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wkt,
(a)
heat=power×time.
power=2.88×10/600
power=0.48×10^-1
power=0.048 KW.
(b)
power=VI
0.048=V×4
V=0.012v,,
(a)
heat=power×time.
power=2.88×10/600
power=0.48×10^-1
power=0.048 KW.
(b)
power=VI
0.048=V×4
V=0.012v,,
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