Electrical Engineering - Energy and Power - Discussion
Discussion Forum : Energy and Power - General Questions (Q.No. 7)
7.
A 15 V source is connected across a 12 
resistor. How much energy is used in three minutes?
resistor. How much energy is used in three minutes?Discussion:
32 comments Page 4 of 4.
ARAMUTHAN said:
2 decades ago
Energy = Power x time (V=IR)--I = 15 V/12Ohms = 19.5
Energy = (1.25*15) x 3
Energy = 56.25 Wh so the answer should be C
Energy = (1.25*15) x 3
Energy = 56.25 Wh so the answer should be C
Ravi26v said:
2 decades ago
((V*V)/ R)*time in hrs
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers